Brooker, Graeme, author
Laurence King, 2013
Buku Referensi
McGowan, Maryrose, author
John Wiley & Sons, [Date of publication not identified]
Buku Teks
McGowan, Maryrose, author
John Wiley & Sons, 1996
Buku Teks
Victoria : Brown Prior Anderson
Majalah, Jurnal, Buletin
The McGraw-Hill Companies, {s.a}
Majalah, Jurnal, Buletin