Snider, Grant, author
Gramedia Pustaka Utama, 2019
Buku Teks
Astrid Savitri, author
Caesar Media Utama, 2019
Buku Teks
Frankel, Lois P., author
Gramedia, 2006
Buku Teks
Jensen, Peter, 1946- , author
[American Management Association, ], 2012
eBooks
Bianda Retno Widyani, author
Fakultas Psikologi Universitas Indonesia, 2018
UI - Skripsi (Membership)