Vivian, John, author
Pearson, 2011
Buku Teks
editor, Joseph F. Littell
McDougal, Littel and Company, 1976
Buku Teks
Glessing, Robert J
Science Research Associated, 1973
Buku Teks
Devol, Kenneth S., author
Hastings house Publisher, 1971
Buku Teks
edited by Anura Goonasekera and Youichi Ito
Pluto Press, 1999
Buku Teks