Bittle, Celestine N., author
The Bruce Publishing, 1950
Buku Teks
Nolt, John, author
McGraw-Hill, 2011
Buku Teks
Pratt, Scott L
Wiley, 2015
Buku Teks
Kahane, Howard
1999
Multimedia
Hurley, Patrick J., 1883-1963, author
Wadsworth and Cengage Learning, 2012
Buku Teks