American Association for the Advancement of Science,, 1974
Buku Teks
edited by Raymond E. Wolfinger
Prentice-Hall, 1966
Buku Teks
edited, Nathan Reingold; edited, Ida H. Reingold
University of Chicago Press, 1981
Buku Referensi
Fowler, Robert Booth, author
University Press of Kansas, 1991
Buku Teks
Le Boutillier, Cornelia Geer
Columbia University Press, 1950
Buku Teks