Schneider, Jo Anne, author
Columbia University Press, 2006
Buku Teks
Parris, Melanie, author
McGraw-Hill, 2012
Buku Teks
Zastrow, Charles, author
Buku Teks
Gore, M.S., author
Asia Publishing House, 1965
Buku Teks
Friedlander, Walter A., author
Prentice-Hall, 1980
Buku Teks