Minkov, Michael, author
Sage, 2013
Buku Teks
Schneider, Linda, author
McGraw-Hill , 2013
Buku Teks
Shweder, Richard A., author
Harvard University Press, 1991
Buku Teks
Nahavandi, Afsaneh, author
Pearson/Prentice Hall, 2009
Buku Teks
edited by Barbara P. Uzzell, Marcel O. Ponton, Alfredo Ardila
Lawrence Erlbaum Associates, 2007
Buku Teks