Wells, A.F.
At The Clarendon Press 1950, 1950
Buku Teks
Muller, Ulrich, author
John Wiley & Sons, 1993
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