Campbell, Don G., 1946-, author
Bobbs-Merrill , 1959
Buku Teks
Shulsky, Sam
N.Y. Arco , 1954
Buku Teks
Reyna Armelia, author
Program Pascasarjana Universitas Indonesia, 2013
UI - Tesis (Membership)
O`Neil, William J., author
Andi, 2006
Buku Teks
Ellis Sumarna, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2006
UI - Tesis (Membership)