Luhulima, C.P.F., author
Gramedia Pustaka Utama, 1992
Buku Teks
Garrett, Mitchell B.
Appleton-Century-Crofts, , 1947
Buku Teks
Dawson, Christopher
Sheed and Ward, 1946
Buku Teks
White, James L., author
Washington Square Press, 1966
Buku Teks
Hulme, Edward Maslin
Century Co., 1914
Buku Teks