Passer, Michael W., author
McGraw-Hill, 2007
Buku Teks
Passer, Michael W., author
McGraw-Hill, 2009
Buku Teks
Kim, Jae-Un, author
Seoul : Kyobo Book Centre, 1991
Buku Teks
Santrock, John W., author
W.C. Brown Publisher, 1991
Buku Referensi
Coon, Dennis, author
Wadsworth , 2001
Buku Teks