एपीए उद्धरण

Arnous de Rivière, B. H. Explorations in the Rubber Districts of Bolivia.

शिकागो स्टाइल उद्धरण

Arnous de Rivière, Baron H. Explorations in the Rubber Districts of Bolivia.

एमएलए उद्धरण

Arnous de Rivière, Baron H. Explorations in the Rubber Districts of Bolivia.