Rich, Lloyd, author
Reston Publishing, 1981
Buku Teks
edited by Cleanth Brooks, Robert Penn Warren
Holt, Rinehart and Winston, 1976
Buku Teks
[place of publication not identified]: [publisher not identified], [date of publication not identified]
Buku Teks
Williams, James, author
Acumen, 2005
Buku Teks
Feldman, Robert S., author
McGraw-Hill, 2015
Buku Teks