姚洋. (2023). 经济学的意义: Meaning of economics. 机械工业出版社.
Lua i Stíl Chicago (17ú heag.)姚洋. 经济学的意义: Meaning of Economics. 机械工业出版社, 2023.
Lua MLA (8ú heag.)姚洋. 经济学的意义: Meaning of Economics. 机械工业出版社, 2023.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.