Penggayaan APA
Butterworth, Christine. (1988).
Birds .
London:
Macmillan Children Books.
Chicago Style
Butterworth, Christine.
Birds.
London:
Macmillan Children Books,
1988.
Text.
MLA Style
Butterworth, Christine.
Birds.
London:
Macmillan Children Books,
1988.
Text.
Turabian Style
Butterworth, Christine.
Birds.
London:
Macmillan Children Books,
1988.
Print.