Gould, Francesca, author
Ufuk Press, 2010
Buku Teks
Juan, Stephen, author
Gramedia , 2005
Buku Teks
editor, Mick O`Hare; alih bahasa, Ratih Ramelan
Ufuk Press, 2009
Buku Teks
Anderson, Paul D., author
EGC, 1996
Buku Teks
Pearce, Evelyn C. (Evelyn Clare), author
Gramedia Pustaka Utama, 1979
Buku Teks