Quadagno, Jill S.
St. Martin's Press, 1980
Buku Teks
edited by Clark Tibbitts and Wilma Donahue
Prentice-Hall, 1960
Buku Teks
by Yoichi Okazaki [and others]
Foreign Press Center, 1990
Buku Teks
edited by John Field, Ronald J. Burke and Cary L. Cooper.
SAGE, 2013
Buku Referensi
Knutson, Andie L.
Russell Sage Foundation, 1971
Buku Teks