Andi Ilman Alqadri M., author
2016
UI - Skripsi (Membership)
Lily Kusumasita Burkon, author
Universitas Indonesia, 2017
UI - Tesis (Membership)
edited by Cary L. Cooper and Judi Marshall
John Wiley & Sons, 1980
Buku Teks
Podgor, Ellen S., author
West Publishing, 1993
Buku Teks
Cole, Robert E
University of California, 1971
Buku Teks