U.S. Small Business Administration , 1977
Buku Teks
Steinhoff, Dan, author
McGraw-Hill, 1982
Buku Teks
Lane, Marc J.
John Wiley & Sons, 1982
Buku Teks
Hancock, William A., author
McGraw-Hill, 1982
Buku Teks
Lasser, J.K. (Jacob Kay), author
McGraw-Hill, 1974
Buku Teks