Wolf, Eric R., author
University of California Press, 1997
Buku Teks
Richardson, Kay
Routledge , 1999
Buku Teks
Yessy Yasminy, author
Program Pascasarjana Universitas Indonesia, 2006
UI - Tesis (Membership)
Williams, E.N., author
Bodley Head, 1970
Buku Teks
Black, C.E., author
Alfred A. Knopf, 1961
Buku Teks