Robertson, Hector Menteith, author
Cambridge University Press, 1957
Buku Teks
Fitzgerald, Walter, author
Methuen, 1952
Buku Teks
edited by E.K. Fisk
Australia National University, 1966
Buku Teks
Williams, Robert, author
Gower, 1991
Buku Teks
edited Iman G. Lanti, Greg Mils, Sigit Wardono
Pustaka Cidesindo, 1997
Buku Teks