APA Style
Ackland, Richard. (1990).
THINK First Certificate .
England:
Longman Group.
Chicago Style
Ackland, Richard.
THINK First Certificate.
England:
Longman Group,
1990.
Text.
MLA Style
Ackland, Richard.
THINK First Certificate.
England:
Longman Group,
1990.
Text.
Turabian Style
Ackland, Richard.
THINK First Certificate.
England:
Longman Group,
1990.
Print.