Mead, Margaret, author
A Mentor Book, 1960
Buku Teks
Holmes, Richard, author
Harper Collins , 2001
Buku Teks
Francon, M., author
Row, Peterson, 1961
Buku Teks
Bodley, John H., author
Mayfield Publishing, 1982
Buku Teks
Bodley, John H., author
Mayfield Publishing, 1998
Buku Teks