Schapiro, J. Salwyn
McGraw-Hill Book Company, Inc., 1950
Buku Teks
Bambang Suprayogi, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Tesis (Membership)
Roy, James A. Le
Houghton Mifflin, 1914.
Buku Teks
M. Sabir, author
Mas Agung, 1990
Buku Teks
Harris, Marvin, 1927-2001, author
Simon and Schuster, 1982
Buku Teks