Alevizos, John P.
Prentice-Hall, 1959
Buku Teks
Boyd, Harper W., Jr., author
Richard D. Irwin, 1977
Buku Teks
Boyd, Harper W., Jr., author
Richard D. Irwin, 1956
Buku Teks
Blackwell Business, 1996
Buku Teks
Cambridge Blackwell 1995, Yogyakarta:
Buku Teks