Keosian,John
Reinhold Publishing Corporation, 1964
Buku Teks
Pick, John
E. & F. N. Spon, 1980
Buku Teks
Hawkes, John, author
Harper Colophon, 1981
Buku Teks
Berger John
Penguin Books, 1977
Buku Teks
Macionis, John J., author
Prentice-Hall, 2007
Buku Teks