by Thomas A. Kindermann and Jaan Valsiner
New Jersey, 1995
Buku Teks
Newman, Barbara M., author
Thomson and Wadsworth, 2006
Buku Teks
Santrock, John W., author
McGraw-Hill, 2006
Buku Teks
Bohall, Greg, author
Springer, 2017
Buku Teks
Adelia Hutami Sundaur, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2018
UI - Skripsi (Membership)