Anderson, Ronald A., author
South-Western Publishing Co., 1987
Buku Teks
Anderson, Ronald A., author
South-Western Publishing Co., 1972
Buku Teks
Anderson, Ronald A., author
South-Western Publishing Co, 1961
Buku Teks
Anderson, Ronald A., author
South-Western Publishing Company, 1967
Buku Teks
Twomey, David P., author
Thomson Learning, 2002
Buku Teks