APA aipamena

(1976). World book encyclopedia, Vol.1: A. Field Enterprises Educational Co.

Chicago Style aipamena

World Book Encyclopedia, Vol.1: A. Chicago: Field Enterprises Educational Co, 1976.

MLA aipamena

World Book Encyclopedia, Vol.1: A. Field Enterprises Educational Co, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.