edited by George A. Hawkins
McGraw-Hill, 1968
Buku Teks
cordinating editor, Geoge A. Hawkins
McGraw-Hill, 1968
Buku Teks
edited by W.A. Paton
Ronald Press, 1955
Buku Teks
National University of Singapore, 1997
Buku Teks
Universiteit van Amsterdam, 1965
Buku Teks