Robinson, Danielle
120 hlm. il 20 cm,
Buku Teks
G.K. Hall & Company, 1983
Buku Referensi
Abd aziz Abd Jalal, editor
CERT publications Sdn. Bhd., 2011
Buku Teks
Kettell, Brian, author
John Wiley & Sons, 2010
Buku Teks
Syed Alwi Mohamed Sultan, author
Cert , 2006
Buku Teks