Wendt, Herbert, author
Houghton-Mifflin, 1956
Buku Teks
McKee, Jeffrey K., author
Pearson/Prentice Hall, 2005
Buku Teks
Pfeiffer, John E., author
Harper & Row, 1969
Buku Teks
Bellwood, Peter S., author
John Wiley & Sons, 2017
Buku Teks
Barnard, Alan, author
Cambridge University Press, 2011
Buku Teks