Basic Books, Inc Publisher, 1966
Buku Teks
Griffith, William E.
MIT Press, 1963
Buku Teks
Taafe, Robert N.
Washington Frederick A. Praeger, 1965
Buku Teks
Goren, Roberta
George Allen , 1985
Buku Teks
Garnefsky, Andre
V.R.B. Offsetdrukkerij, 1968
Buku Teks