Poitertials, James T.S.
Prentice-Hall, 1965
Buku Teks
Bierman, Harold, author
Macmillan, 1988
Buku Teks
Hanssmann, Fred
Wiley & Sons , 1968
Buku Teks
Brown, Gerald R. (Gerald Roderick), 1944-, author
Financial Times, Prentice Hall, 1987
Buku Teks
Sinaga, Tumpal Parlindungan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1990
UI - Tesis (Membership)