APA استشهاد

Rittner, D., & Bailey, R. A. (2006). The encyclopedia of chemistry. Viva books private limited.

استشهاد بنمط شيكاغو

Rittner, Don, و Ronald A. Bailey. The Encyclopedia of Chemistry. New Delhi: Viva books private limited, 2006.

MLA استشهاد

Rittner, Don, و Ronald A. Bailey. The Encyclopedia of Chemistry. Viva books private limited, 2006.