Santrock, John W.
Salemba Humanika, 2014
Buku Teks
Hoy, Anita Woolfolk, 1947-
Allyn and Bacon, 2004
Buku Teks
Santrock, John W.
Salemba Humanika, 2014
Buku Teks
Snowman, Jack
Wadsworth and Cengage Learning, 2012
Buku Teks
edited by Neil J. Salkind
Sage, 2011
Buku Teks