Longman, Donald R., author
Richard D. Irwin, 1955
Buku Teks
editor, William E. Thomas
South-Western Publishing, 1955
Buku Teks
Ibnu Hasim, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Tesis (Membership)
Stiner, Frederic M., author
Kent Publishing, 1986
Buku Teks
Hirsch, Maurice L., author
PWS-KENT, 1986
Buku Teks