edited by Shirley M. Stinson and Janet C. Kerr
Charles Press , 1986
Buku Teks
edited by Peggy L. Chinn
Maryland Aspen, 1986
Buku Teks
by Sally J. Redfern [and others]
Macmillan, 1982
Buku Teks
Kimmel, Allan J., author
Blackwell Publishing, 2007
Buku Teks
Black, James A., author
John Wiley & Sons, 1976
Buku Teks