एपीए उद्धरण

Nordenskiöld, E. Origin of the Indian civilizations in South America.

शिकागो स्टाइल उद्धरण

Nordenskiöld, Erland. Origin of the Indian Civilizations in South America.

एमएलए उद्धरण

Nordenskiöld, Erland. Origin of the Indian Civilizations in South America.