Ng, Aik Kwang, author
Prentice-Hall, l2001
Buku Teks
Griffin, W. Glenn
HOW Books, 2010
Buku Teks
Flaum, Jonathon A., author
American Management Association;, 2007
eBooks
Beahm, George, author
Gramedia Pustaka Utama, 2018
Buku Teks
Muhammad Naufal Rayhan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Skripsi (Membership)