APA ציטוט

-. (1983). Grolier academic encyclopedia 9. Grolier Internasional.

Chicago Style (17th ed.) Citation

-. Grolier Academic Encyclopedia 9. (sl): Grolier Internasional, 1983.

ציטוט MLA

-. Grolier Academic Encyclopedia 9. Grolier Internasional, 1983.