McGaw, Charles, author
Holt, Rinehart and Winston, 1965
Buku Teks
edited by Phillip B. Zarrilli
Routledge, 1995
Buku Teks
Grandstaff, Russell J., author
National Textbook Company, 1990
Buku Teks
edited by Alan Lovell, Peter Kramer
Routledge, 1999
Buku Teks
De Mallet Burgess, Thomas, author
Routledge, 2000
Buku Referensi