Metzger, Walter P., author
Columbia University Press, 1969
Buku Teks
Hofstadter, Richard
Columbia University Press , 1955
Buku Teks
Universitas Bina Nusantara; Universitas Kristen Petra, 2007
Multimedia
Johnson, Edgar N., author
Cornell University Press, 1950
Buku Teks
Oceana Publications, Inc., 1964
Buku Teks