Penggayaan APA

The New Book Of Knowledge Vol. 21. (2007). New York: Scholastic Inc.

Chicago Style

The New Book Of Knowledge Vol. 21. . New York: Scholastic Inc, 2007. Text.

MLA Style

The New Book Of Knowledge Vol. 21. . New York: Scholastic Inc, 2007. Text.

Turabian Style

The New Book Of Knowledge Vol. 21. New York: Scholastic Inc, 2007. Print.