Bach, David, author
Gramedia Pustaka Utama, 2004
Buku Teks
Feitelberg, Susan, author
American Management Association, 2006
eBooks
Speinkel, Beryl W., author
Dow Jones-Irwin, 1977
Buku Teks
Bima Abdi Wibawa, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Skripsi (Membership)
Maureen Aviranindya Sattva Dharma, author
Fakultas Psikologi Universitas Indonesia, 2018
UI - Skripsi (Membership)