Fulmer, William E., author
Richard D. Irwin, 1980
Buku Teks
Merrifield, Leroy S., author
Michie, 1994
Buku Teks
Fossum, John A., author
Business Publications, 1982
Buku Teks
Yoder, Dale, author
McGraw-Hill, 1958
Buku Teks
Murphy, Rachel, author
Cambridge University Press, 2002
Buku Teks