Weston, John Fred, 1916-, author
Erlangga , 1997
Buku Teks
Franks, J.R., author
John Wiley & Sons, 1979
Buku Teks
Weston, John Fred, 1916-, author
ESG , 1981
Buku Teks
Suad Husnan, author
AMP YKPN, 1996
Buku Teks
Suad Husnan, author
AMP YKPN, 1994
Buku Teks