edited by John D. Montgomery, William J. Siffin
McGraw-Hill, 1966
Buku Teks
Katz, Saul M., author
University of Pittsburgh, 1965
Buku Teks
Packard, Philip C., author
Mouton, 1972
Buku Teks
Gant, George F., author
University of Wisconsin Press, 1979
Buku Teks
Putranto Budi Raharjo, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2006
UI - Tesis (Membership)