McGraw-Hill , 1953
Buku Teks
VanDerbeck, Edward J.
South Western Cengage Learning, 2013
Buku Teks
Usry, Milton F., author
South Western, 1988
Buku Teks
Lanen, William N., author
McGrow-Hill, 2014
Buku Teks
Barfield, Jesse T., author
South-Western College Publishing, 1998
Buku Teks