Greenberg, Jerald, author
Pearson Education International, 2003
Buku Teks
Erita Narhetali, author
Fakultas Psikologi Universitas Indonesia dan Ikatan Psikologi Sosial-HIMPSI, 2017
Artikel Jurnal
Calhuon, James F., author
IKIP Semarang Press, 1990
Buku Teks
Domjan, Michael, author
Cengage Learning, 2015
Buku Teks
Axelrod, Michael I., author
Routledge, 2017
Buku Teks