Evans, Thomas G., author
Thomson/South-Western, 2003
Buku Teks
Granof, Michael H., author
Prentice-Hall, 1991
Buku Teks
Granof, Michael H., author
Prentice-Hall, 1991
Buku Teks
edited by Stephen A. Zeff and Thomas F. Keller
McGraw-Hill, 1973
Buku Teks
Warren, Carl S., author
South-Western College, 1999
Buku Teks