edited by Steven Spirn and David W. Benfer
Aspen Systems Corporation, 1982
Buku Teks
The Haworth Press, 1991
Buku Teks
edited by Donnie J. Self
Teagle & Little, 1977
Buku Teks
edited by Rosalind S. Miller, and Helen Rehr
Prentice-Hall, 1983
Buku Teks
edited by Sharon Buchbinder, Nancy Shanks
Jones & Bartlett Learning, 2012
Buku Teks