Fox, Michael W.
University Park Press, 1983
Buku Teks
[consultant editors, Christopher M. Brown, D.A. Hogg, D.F. Kelly]
Oxford University Press, 1988
Buku Referensi
Pugliese, Antonio, editor
Springer, 2012
eBooks
Engelking, Larry R., author
Elsevier, 2011
Buku Teks
edited by Huisheng Xie, Vanessa Preast ; illustrated by Barbara Jean Beckford
Wiley-Blackwell, 2010
Buku Referensi