Russ, Thomas H., author
McGraw-Hill, 2009
Buku Teks
Russ, Thomas H., author
McGraw-Hill, 2002
Buku Teks
edited by Neil Appleton
Design Media Publishing, 2013
Buku Referensi
Leedy, Paul D., author
Pearson Education, 2005
Buku Teks
Siemens, Nicolai, author
The Free Press, 1973
Buku Teks