Sethi, S. Prakash, author
Prentice-Hall, 1991
Buku Teks
Luthans, Fred, author
Macmillan, 1976
Buku Teks
Health TRansition Centre., 1989
Buku Teks
Weiss, Carol H., author
Colombia University, 1972
Buku Teks
edited with introductions by, James Farganis
The McGraw-Hill, 1996
Buku Teks