Kelley, Eugene J., author
Prentice-Hall, 1965
Buku Teks
Thorelli, H.B., author
Penguin Books, 1973
Buku Teks
Markin, Rom J., author
John Wiley & Sons, 1982
Buku Teks
edited by Edward C. Bursk and John F. Chapman
New American Library, 1964
Buku Teks
Lovelock, Christopher H., author
Prentice-Hall, 2005
Buku Teks