Simpson, George Gaylord
Pergamon Press, 1980
Buku Teks
Hildebrand, Milton, 1918-, author
Armico, 1983
Buku Teks
Springer-Verlag , 1984
Buku Teks
edited by David O. Norris, Kristin H. Lopez
Elsevier, 2011
Buku Referensi
Assheton, Richard, author
University press, 2014
Buku Teks