APA Style
GCE O' Level Challenging English Essays. (2001).
Singapore:
Redspot.
Chicago Style
GCE O' Level Challenging English Essays.
.
Singapore:
Redspot,
2001.
Text.
MLA Style
GCE O' Level Challenging English Essays.
.
Singapore:
Redspot,
2001.
Text.
Turabian Style
GCE O' Level Challenging English Essays.
Singapore:
Redspot,
2001.
Print.