APA Style
Powell, Robert. (1993).
GCSE Mathematics .
Great Britain:
Letts Educational.
Chicago Style
Powell, Robert.
GCSE Mathematics.
Great Britain:
Letts Educational,
1993.
Text.
MLA Style
Powell, Robert.
GCSE Mathematics.
Great Britain:
Letts Educational,
1993.
Text.
Turabian Style
Powell, Robert.
GCSE Mathematics.
Great Britain:
Letts Educational,
1993.
Print.