Furlong, Monica
Alfred A. Knopf, 1987
Buku Teks
Morton, Andrew
Dabara, 1999
Buku Teks
Alberthiene Endah Kusumawardani
Gramedia Pustaka Utama, 2012
Buku Teks
Anderson, Barry F.
Single Reef Press, 2002
Buku Teks
Wise, Claude Merton
Prentice-Hall, 1957
Buku Teks SO