Henshaw, Richard C., author
Richard D. Irwin , 1972
Buku Teks
Weihrich, Heinz, author
McGraw-Hill , 1985
Buku Teks
Harvey, Thomas R.
Allyn and Bacon, 1990
Buku Teks
Fox, Roy
McGraw-Hill, 1991
Buku Teks
Stoner, James A.F. (Arthur Finch), author
Intermedia, 1986
Buku Teks