| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Introductory Statistics | 978-1-4533-4485-9 (1-4533-4485-3) | 2013 |
| Introductory Statistics | 978-1-4533-4487-3 (1-4533-4487-X) | 2012 |
D.A. · D S · Douglas A. · Douglas S. Shafer · Douglas Shafer · s. a. · S S · S Shafer