White, Theodore H.
William Sloane Associates, 1961
Buku Teks
Handy, Willowdean C.
Australian National University Press,, 1973
Buku Teks
Rossing, Thomas D.
Addison-Wesley, 1989
Buku Teks
Morse, Philip M.
McGraw-Hill, 1948
Buku Teks
Faulkner, William, 1897-1962
Vintage Books, 1956
Buku Teks