by Lincoln D. Cathers...[et al.]; editor, J.F. Peel Brahtz
John Wiley, 1972
Buku Teks
Beatley, Timothy, author
University California Press, 2003
Buku Teks
Cicin-Sain, Biliana
Island Press, 1998
Buku Teks
Clark, John R., author
Lewis Publishers, 1996
Buku Referensi
Kay, Robert, author
Routledge, 2005
Buku Teks