APA Style
Lock, Rayna. (2003).
PSLE Preparation Papers Science Primary 6 (copy) .
Singapore:
Starpub.
Chicago Style
Lock, Rayna.
PSLE Preparation Papers Science Primary 6 (copy).
Singapore:
Starpub,
2003.
Book.
MLA Style
Lock, Rayna.
PSLE Preparation Papers Science Primary 6 (copy).
Singapore:
Starpub,
2003.
Book.
Turabian Style
Lock, Rayna.
PSLE Preparation Papers Science Primary 6 (copy).
Singapore:
Starpub,
2003.
Book.