Ward, Kate, author
McGraw-Hill, 2012
Buku Referensi
Zichy, Shoya, author
[American Management Association, ], 2013
eBooks
Bianca Alia Sudewaji, author
Fakultas Psikologi Universitas Indonesia, 2023
UI - Tesis (Membership)
Goulston, Mark, author
American Management Association, 2010
eBooks
Adelina Kumala Sari, author
Fakultas Psikologi Universitas Indonesia, 2018
UI - Skripsi (Membership)