Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis (Membership)
Yudha Prastika Novianto
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Skripsi (Membership)
Poole, Laura
McGraw Hil , 2013
Buku Teks
Stone, Florence M.
American Management Association, 2007
eBooks
Simkevitz, Howard
Canada Law Book, 2011
Buku Teks