Tam, Marilyn, author
Gramedia Pustaka Utama, 2007
Buku Teks
Wunker, Stephen, author
McGraw-Hill, 2011
Buku Teks
Fitri Nuzululhayati, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Tesis Membership
Scott, Gini Graham, author
American Management Association, 2009
eBooks
Rabe, Cynthia Barton, author
American Management Association, 2006
eBooks