Butler, Stuart Thomas
Horwitz-Grahame, 1962
Buku Teks SO
Beiser, Arthur
McGraw-Hill, 1964
Buku Teks SO
Wendy Brown ... [and others] ; edited by Jonathan Ling
Longman Singapore Publishers, 1995
Buku Teks SO
Cromer, Alan H.
McGraw-Hill, 1974
Buku Teks SO
Eisberg, Robert M.
McGraw-Hill, 1982
Buku Teks SO