Smith, Samuel, author
Barnes & Noble Books, 1979
Buku Teks
Singh, Jagjit, author
Dover, 1966
Buku Teks
Law, Stephen, author
Quersus, 2013
Buku Teks
Frost, S.E., author
Doubleday, 1962
Buku Teks
Bliss, Sara, author
Page One Publishing, 2003
Buku Referensi