Ross, Michael D.H., author
MacDonald, 1960
Buku Teks
edited by Charles Mcintyre, T. C. Melewar, Charles Dennis
Emerald, 2016
eBooks
Finell, Dorothy, author
American Management Association, 2007
eBooks
Hollander, Stanley C., author
Michigan State University , 1960
Buku Teks
Felix Lomewa, author
2016
UI - Tesis (Membership)