郑永年著. (2020). 贸易与理性. 东方出版社.
Lua i Stíl Chicago (17ú heag.)郑永年著. 贸易与理性. 东方出版社, 2020.
Lua MLA (8ú heag.)郑永年著. 贸易与理性. 东方出版社, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)