APA Style
Harrison, Barry. (1988).
GCSE economics (_).
:
Longman.
Chicago Style
Harrison, Barry.
GCSE economics.
_
:
Longman,
1988.
.
MLA Style
Harrison, Barry.
GCSE economics.
_
:
Longman,
1988.
.
Turabian Style
Harrison, Barry.
GCSE economics.
_
:
Longman,
1988.
.