edited by Thelma Jean Goodrich
W.W. Norton , 1991
Buku Teks
Brislin, Richard W., editor
Praeger, 1991
Buku Teks
Delong, Kenric, author
Brooks/Cole, 1987
Buku Teks
Howard, Tiffiany, author
Palgrave Macmillan, 2016
Buku Teks
Brace & World , 1964
Buku Teks