Parsudi Suparlan, 1938-2007, author
Arizona State University, 1995
Buku Teks
Levy, Marion J.
Harvard University Press , 1949
Buku Teks
Phoenix Publishing House, 1965
Buku Teks
Mitchel, Kate L.
Alfred A. Knoff , 1942
Buku Teks
London Routledge , 1977
Buku Teks