(英)马特·里德利(Matt Ridley)著. (2015). 理性乐观派:一部人类经济进步史:how prosperity evolves:珍藏版. 机械工业出版社.
Lua i Stíl Chicago (17ú heag.)(英)马特·里德利(Matt Ridley)著. 理性乐观派:一部人类经济进步史:how Prosperity Evolves:珍藏版. 机械工业出版社, 2015.
Lua MLA (8ú heag.)(英)马特·里德利(Matt Ridley)著. 理性乐观派:一部人类经济进步史:how Prosperity Evolves:珍藏版. 机械工业出版社, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.