एपीए उद्धरण

Helmer , É. (2023). The Reciprocity at the Center: Economics and the Anthropocene from Xenophon's Economics.

शिकागो स्टाइल उद्धरण

Helmer , Étienne. The Reciprocity At the Center: Economics and the Anthropocene From Xenophon's Economics. 2023.

एमएलए उद्धरण

Helmer , Étienne. The Reciprocity At the Center: Economics and the Anthropocene From Xenophon's Economics. 2023.