Woefel, Charles J.
Propus Publishing, 1986
Buku Teks
Rich, Anne J.
Harcourt Brace Jovanovich, Pub. , 1991
Buku Teks
Garrison, Ray H.,
Business Publications, 1985
Buku Teks
Garrison, Ray H.,
Irwin, 1997
Buku Teks
Lynch, Richard M.
McGraw-Hill, 1983
Buku Teks