edited by Joseph S. Wholey
Jossey-Bass Publishers, 1994
Buku Teks
edited by Joseph S. Wholey, Harry P. Hatry and Kathryn E. Newcomer
Jossey-Bass, 1994
Buku Referensi
Anderson, Scarvia B.
Jossey-Bass, 1978
Buku Teks
edited by Jeffrey J. Magnavita
John Wiley & Sons, 2003
Buku Teks
Barney, G. C. (Gina Carol, 1935-
Routledge, 2016
Buku Teks