edited by P.M. Dey, J.B. Harbone
Academic Press, 1991
Buku Teks
edited by P.M. Dey; J.B.Hrbone
Academic Press, 1991
Buku Teks
edited by Peter J. Lea, Richard C. Leegood
John Wiley & Sons, 1993
Buku Teks
Robert Rosaler, editor
McGraw-Hill, 2002
Buku Referensi
Kohan, Anthony Lawrence.
McGraw-Hill, 1995
Buku Referensi