Chiswell, B.
John Wiley & Sons, 1969
Buku Teks
Gilrearth, Esmarch S., author
McGraw-Hill, 1958
Buku Teks
Bowser, James R., author
Brooks/Cole, 1993
Buku Teks
Shriver, D.F., author
ELBS, 1994
Buku Teks
Cox, P.A., author
Garland Science, 2004
Buku Teks