APA Style
Allen, Pamela. (1989).
Bertie and the bear .
Yogyakarta:
Puffin Books.
Chicago Style
Allen, Pamela.
Bertie and the bear.
Yogyakarta:
Puffin Books,
1989.
Text.
MLA Style
Allen, Pamela.
Bertie and the bear.
Yogyakarta:
Puffin Books,
1989.
Text.
Turabian Style
Allen, Pamela.
Bertie and the bear.
Yogyakarta:
Puffin Books,
1989.
Print.