Weinberger, Paul E., author
Macmillan, 1974
Buku Teks
by Thomas L. Hartshorne ... [and others]
Longman, 2003
Buku Teks
Columbia University Press, 1968
Buku Teks
Trattner, Walter I., author
Free Press, 1984
Buku Teks
Trattner, Walter I., author
Free Press, 1979
Buku Teks