George T. Austin
McGraw-Hill, 1986
Buku Teks
Dilion, C.P.
McGraw-Hill, 1992
Buku Teks
Valle-Riestra, J. Frank
New York: McGraw-Hill, 1983
Buku Teks
editor-in-chief, Douglas M. Considine
McGraw-Hill, 1974
Buku Referensi
Johnstone, Sydney J. (Sydney James)
John Wiley & Sons, 1961
Buku Teks