Hutten, Ernest H.
Greenwood Press, 1978
Buku Teks
Keller, Evelyn Fox
Yale University Press , 1985
Buku Teks
Drake, Stillman
University of Toronto Press, 1999
Buku Teks
Shaharir Mohamad Zain
Universiti Kebangsaan Malaysia, 2000
Buku Teks
Gillispie, Charles Coulston
Princeton University Press, 1960
Buku Teks