Berry, Ralph, author
Routledge, 1994
Buku Teks
Cash, Phyllis, author
Monarch Press, 1977
Buku Teks
Purves, Alan C. (Alan Carroll), 1931-1996, author
Harcourt Brace Jovanovich, 1984
Buku Teks SO
Tilley, Andrew J., author
Pineapple Press, 2003
Buku Teks
Antoni Ludfi Arifin, author
Gramedia Pustaka Utama , 2012
Buku Teks