Gillam, Tony, author
Palgrave Macmillan, 2018
Buku Teks
Edited by James C. Kaufman
Cambridge University Press, 2014
Buku Teks
Clinton, Michael
Sydney Prentice Hall 1996 ,
Buku Teks
edited by Karen M Finello
Jossey-Bass, 2005
Buku Teks
McKay, Elizabeth Anne, editor; Christine Craik, editor; Kee, Hean Lim, editor; Gabrielle Richards, editor
Blackwell , 2008
Buku Teks