edited by W. Bruce Walsh
Lawrence Erebaum Associates Publishers, 2006
Buku Teks
edited by Michael Eid and Ed Diener
American Psychological Association, 2006
Buku Teks
editedby Robert N. Singer, Heather A. Hausenblas and Christopher M. Janelle
Wiley, 2001
Buku Teks
John Wiley & Sons, 2003
Buku Teks SO
edited by Harry T. Reis and Charles M. Judd
Cambridge University Press, 2000
Buku Teks