| title | media type | | ISBN-13 | year of publica-
tion | other author(s) |
|---|
| International erfolgreich verhandeln: Making Global Deals | Gebunden | | 978-3-593-34595-6 | 1992 |
| Introduction to Law in French-speaking Africa: Africa South of the Sahara v. 1 | Hardcover | | 978-0-87215-065-2 | 1969 |
| Leading Leaders: How to Manage Smart, Talented, Rich, and Powerful People | " | | 978-0-8144-0855-1 | 2005 |
| Leading Leaders: How to Manage Smart, Talented, Rich, and Powerful People | Paperback | | 978-0-8144-1766-9 | 2005 |
| Negotiating Life | Hardcover | | 978-1-137-03476-2 | 2013 |
| Negotiating Life | Paperback | | 978-1-137-39101-8 | 2013 |
| Nigerian Family Law | Hardcover | | 978-0-406-61000-3 | 1966 | A.B. Kasunmu |
| Real Leaders Negotiate!: Gaining, Using, and Keeping the Power to Lead Through Negotiation | " | | 978-1-137-59114-2 | 2017 |
| Seven Secrets for Negotiating with Government: How to Deal with Local, State, National, or Foreign Governments--and Come Out Ahead | " | | 978-0-8144-0908-4 | 2008 |
| The Art of Advice: How to Give It and How to Take It | " | | 978-0-8129-2102-1 | 1994 |
| The Global Negotiator: Making, Managing and Mending Deals Around the World in the Twenty-First Century | " | | 978-0-312-29339-0 | 2003 |
| The Law of Investment Treaties | " | | 978-0-19-870397-6 | 2015 |
| The Law of Investment Treaties | " | | 978-0-19-920605-6 | 2010 |
| The Three Laws of International Investment: National, Contractual, And International Frameworks For Foreign Capital | Paperback | | 978-0-19-872737-8 | 2014 |
| The Three Laws of International Investment: National, Contractual, and International Frameworks for Foreign Capital | Hardcover | | 978-0-19-965456-7 | 2013 |
| The Wise Advisor: What Every Professional Should Know About Consulting and Counseling | Paperback | | 978-0-275-96726-0 | 2000 |