Helmer , É. (2023). The Reciprocity at the Center: Economics and the Anthropocene from Xenophon's Economics.
استشهاد بنمط شيكاغوHelmer , Étienne. The Reciprocity At the Center: Economics and the Anthropocene From Xenophon's Economics. 2023.
MLA استشهادHelmer , Étienne. The Reciprocity At the Center: Economics and the Anthropocene From Xenophon's Economics. 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.