Butler, S. T.
Horwitz , 1962
Buku Teks
Butler, S. T.
Horwitz, 1961
Buku Teks
Beiser, Arthur
McGraw-Hill, 1964
Buku Teks
Wendy Brown ... [and others] ; edited by Jonathan Ling
Longman Singapore Publishers, 1995
Buku Teks
Constant, F. Woodbridge (Frank Woodbridge), 1904-
Addison-Wesley, 1967
Buku Teks