edited by Tyler G. Hicks
McGraw-Hill, 1986
Buku Referensi
by T. Elliot Weier ... [et al.]
John Wiley & Sons, 1982
Buku Teks
Blofeld, John
E. P. Dutton, 1970
Buku Teks
Harrington, Harold David, author
Swallow Press, 1979
Buku Teks
Jacobs, William P., author
Cambridge University Press , 1979
Buku Teks