Alterio, Christopher J, author
Wolter Kluwer, 2019
Buku Teks
Feldman, Robert S., author
McGraw-Hill, 2013
Buku Teks
Mutiara Dahlia, author
Universitas Indonesia, 2002
UI - Tesis (Membership)
Burke, Michelle Marie, Author
American Management Association, 1997
eBooks
Adi Wijaksana, author
Fakultas Psikologi Universitas Indonesia, 1992
UI - Skripsi (Membership)