Alfred A. Knopf, 1974
Buku Teks
Rohan, Colleen
Cambridge University Press, 2017
eBooks
Grover Maurice Godwin, editor
CRC press, 2001
Buku Teks
edited by Derek B. Cornish, Ronald V. Clarke
Springer, 1986
Buku Teks
edited by Debra L. Martin, University of Nevada, Las Vegas, Cheryl P. Anderson, University of Nevada, Las Vegas.
Cambridge University Press, 2014
Buku Teks