Gaya APA

Incorporated, G. (). Grolier Encyclopedia of Knowledge Volume 15: Pic-Ree (Cet. 1). United States of Ame: Academic American Encyclopedia.

Gaya MLA

Incorporated, Grolier. "Grolier Encyclopedia of Knowledge Volume 15: Pic-Ree". Cet. 1 United States of Ame: Academic American Encyclopedia, . Text.