Buku Teks
Felski, Rita, author
BlackWell Publishing, 2008
Buku Teks
Lamarque, Peter, author
Blackwell Publishing, 2009
Buku Teks
edited by Louis G. Locke, William M. Gibson, George Arms
Holt, Rinehart and Winston, 1959
Buku Teks
Holman, C. Hugh, author
Macmillan, 1986
Buku Referensi