| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Friends, Lovers and Groups: Key Relationships in Adolescence | 978-O-47O-O1885-9 (O-47O-O1885-2) | 2007 | Professor Rutger C. M. E. Engels · Professor Hakan Stattin |
M. K. · M. Kerr · Margaret K · Margaret Kerr · P.K. · P. Kerr · P.M.