Ross, Shepley L., author
McGraw-Hill, 1984
Buku Teks
Ross, Shepley L., author
Xerox College Publishing, 1964
Buku Teks
Martin, E. Wainright, author
Learning System Company, 1969
Buku Teks
edited by M. Farkas
North-Holland, 1977
Buku Teks
Campbell, Stephen L., author
Wadsworth, 1990
Buku Teks