Johnson, David W., 1940-, author
Prentice Hall Internasional, 1990
Buku Teks
Dina Chairuni, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Tesis (Membership)
DuBrin, Andrew J., author
Prentice-Hall, 2000
Buku Teks
Cole, Brent, author
Simon & Schuster, 2011
Buku Teks
Carnegie, Dale, author
Gramedia Pustaka Utama, 2019
Buku Teks