Goldstein, E. Bruce, author
Cengage Learning, 2017
Buku Teks
Schiffman, Harvey Richard, author
John Wiley & Sons, 1982
Buku Teks
Safira Putri Nabilla, author
Fakultas Psikologi Universitas Indonesia, 2018
UI - Skripsi Membership
Melita Tarisa, author
Fakultas Psikologi Universitas Indonesia, 2012
UI - Skripsi (Open)
Boring, Edwin G., author
Appleton, 1942
Buku Teks