Miller, G. Tyler (George Tyler), 1931-, author
Cengage Learning, 2016
Buku Teks
Montgomery, Carla W., author
McGraw-Hill, 2003
Buku Teks
edited by William P. Cunningham [and others]
Jaico Publishing House, 1999
Buku Referensi
Peavy, Howard S., author
McGraw-Hill, 1985
Buku Referensi
Kubasek, Nancy K., author
Pearson - Prentice Hall, 2005
Buku Teks