gues-edited by Neil Spiller
Academy Editions, 1998
Buku Teks
editors, Robert Joyce, Rossiana Santos and Laura Turlington
MIT Press, 1997
Buku Teks
Wagner, Walter F., author
McGraw-Hill, 1974
Buku Teks
Kemper, Alfred M., author
John Wiley & Sons, 1973
Buku Teks
Robinson, Jeremy
New York: McGraw-Hill, 1979
Buku Teks