Praeger Publ., 1983
Buku Teks
McCoyd, Judith L.M, author
Roudledge, 2016
Buku Teks
Keefe, Robert H., author
Springer Publishing Company, 2013
Buku Teks
edited by Rosalind S. Miller, and Helen Rehr
Prentice-Hall, 1983
Buku Teks
Rhodhes, Margaret L., author
Routledge and Kegan Paul, 1986
Buku Teks