Penggayaan APA

The World Book Encyclopedia B Volume 2. (1989). Chicago: World Book Inc..

Chicago Style

The World Book Encyclopedia B Volume 2. . Chicago: World Book Inc., 1989. Text.

MLA Style

The World Book Encyclopedia B Volume 2. . Chicago: World Book Inc., 1989. Text.

Turabian Style

The World Book Encyclopedia B Volume 2. Chicago: World Book Inc., 1989. Print.