Παραπομπή σε μορφή APA (7η εκδ.)

Freeport-McMoRan Copper & Gold, Inc. MarketLine Company Profile. MarketLine, a Progressive Digital Media business.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Freeport-McMoRan Copper & Gold, Inc. MarketLine Company Profile. MarketLine, a Progressive Digital Media business.

Παραπομπή σε μορφή MLA (9th εκδ.)

Freeport-McMoRan Copper & Gold, Inc. MarketLine Company Profile. MarketLine, a Progressive Digital Media business.