Hewes, Henry
Dell Publishing, 1975
Koleksi Publik
O`neill, Eugene, author
Miccrocard Editions, 1972
Buku Teks
Miller, Jordan Y.
McGraw-Hill Book Company, Inc., 1961
Buku Teks
Berkowitz, Gerald M., author
Longman, 1994
Buku Teks
Downer, Alan, author
University of Minnesota Press, 1961
Buku Teks