Neal, A. Leslie
McGraw-Hill, 1971
Buku Teks
editors for the Ciba Foundation, G.E.W. Wolstenholme and Cecilia M. O'Connor
Little, Brown & Co., 1957
Buku Teks
Thomson and Brooks/cole, 2007
Multimedia
Bettelheim, Frederick A.
Harcourt Brace College, 1995
Buku Teks
Morris Hein ...[et.al.]
Brooks/Cole, 1993
Buku Teks