Johnson, David E., author
Ronald Press, 1965
Buku Teks
Duffy, Dean G., author
Chapman & Hall/CRC , 2008
Buku Teks
Academic Press, 1975
Buku Teks
Churchill, Ruel V., 1899-1987, author
McGraw-Hill, 1978
Buku Teks
Brown, James Ward, 1934-, author
McGraw-Hill , 1993
Buku Teks