Anderson, Ronald A.
South-Western Publishing Co, 1961
Buku Teks
Anderson, Ronald A.
South-Western Publishing Co., 1972
Buku Teks
Anderson, Ronald A.
South-Western Publishing Company, 1967
Buku Teks
Twomey, David P.
Thomson Learning, 2002
Buku Teks
Lyden, Donald P.
McGraw-Hill, 1985
Buku Teks