Richard G. Seymour, editor
Edward Elgar, 2012
Buku Teks
editor, Bruce A. Thyer
Sage Publications, 2001
Buku Referensi
Thyer, Bruce A.
London : Sage Publications, 2001,
Buku Referensi
Cambridge University Press, 2020
eBooks
William Damon, editor-in-chief
John Wiley & Sons, 1998
Buku Referensi