Ernst, Earle
University of Hawaii Press, 1974
Buku Teks
Jones, Liz, author
McPhee Gribble, 1988
Buku Teks
Kennedy, Scott
Charles Scribner's , 1973
Buku Teks
Corvin, Michel, author
Bordas, 1991
Buku Referensi
Aston, Elaine, author
Routledge, 1999
Buku Referensi