edited by Joanna Burger
Columbia University Press, 1988
Buku Teks
Springer, 2012
eBooks
Blackwelder, Richard E.
The Iowa University Press, 1972
Buku Referensi
Feduccia, Alan, author
W.W. Norton, 1975
Buku Teks
edited by Elizabeth G. Cutter
John Wiley & Sons, 1966
Buku Teks