Phillips, Don T., author
John Wiley & Sons, 1976
Buku Teks
Ravindran, A., author
John Wiley & Sons, 1987
Buku Teks
edited by John I. Gallin and Frederick P. Ognibene
Academic press, 2007
Buku Teks
Argyris, Chris, author
Jossey-Bass, 1982
Buku Teks
Macnee, Carol L., author
Lippincott Williams & Wilkins, 2004
Buku Teks