Witherington, H.C., author
Aksara Baru, 1978
Buku Teks
Santrock, John W., author
Salemba Humanika, 2014
Buku Teks
Hoy, Anita Woolfolk, 1947-, author
Allyn and Bacon, 2004
Buku Teks
Santrock, John W., author
Salemba Humanika, 2014
Buku Teks
Snowman, Jack, author
Wadsworth and Cengage Learning, 2012
Buku Teks