Ridley, Mark, author
Blackwell, 1995
Buku Teks
Tinberger, Niko, author
Time Life Book, 1970
Buku Teks
Linden, Eugene
A Dutton Book , 1999
Buku Teks
Ernie Tisnawati Sule, author
Permata Aksara, 2010
Buku Teks
Alcock, John, author
Sinauer Associates, 1989
Buku Teks