Holland, William E
Pocket Books, 1992
Buku Teks
Meyer, Stephenie, 1973-, author
Gramedia Pustaka Utama, 2009
Buku Teks
Pet, Paul C., author
Elmar, 1994
Buku Referensi
Gutkind, E. A.
The Free Press of Glencoe, 1963
Buku Teks
Lubis, Muchtar
Hutchinson, 1963
Buku Teks