Granof, Michael H.
Prentice-Hall, 1991
Buku Teks
edited by Stephen A. Zeff and Thomas F. Keller
McGraw-Hill, 1973
Buku Teks
Zeff, Stephen A.
McGraw-Hill, 1994
Buku Teks
Evans, Thomas G.
Thomson/South-Western, 2003
Buku Teks
South-Western , 2005
Buku Teks