Moore, Raylyn
Bowling Green : Bowling Green University Popular, 1974
Buku Teks SO
Baum, L. Frank
Wordsworth Classics, 1993
Buku Teks SO
Wolf, Frank L.
McGraw-Hill, 1962
Buku Teks SO
McPhee, John
Farrar, Straus and Giroux, 1966
Buku Teks SO
Baum, lawrence
A Division of Congressional Quarterly Inc, 1989
Buku Teks