Leftwich, Richard H., author
Business Publications, 1982
Buku Teks
Sharp, Ansel M., author
Business Publications, 1986
Buku Teks
Sharp, Ansel M., author
McGraw-Hill, 2002
Buku Teks
Leftwich, Richard H., author
Business Publications, 1974
Buku Teks
Sharp, Ansel M., author
Richard D. Irwin, 1990
Buku Teks