Novick, Melvin R.
McGraw-Hill, 1974
Buku Teks
Santrock, John, author
McGraw-Hill , 2018
Buku Teks
edited by David Nice
Councils and Education Press, 1986
Buku Teks
Mutia Anggraini, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Tesis (Membership)
Nunnally, Jum C., author
McGraw-Hill, 1972
Buku Teks