| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ultimate Guide to Link Building: How to Build Backlinks, Authority and Credibility for Your Website, and Increase Click Traffic and Search Ranking | 978-1-59918-442-5 (1-59918-442-7) | 2013 | Eric Ward |
| Ultimate Guide to Link Building: How to Build Website Authority, Increase Traffic and Search Ranking with Backlinks | 978-1-59918-648-1 (1-59918-648-9) | 2020 | |