(美)罗伯特·弗兰克(Robert H. Frank)著. (2020). 牛奶可乐经济学．4：liberty, competition, and the common good．4. 浙江人民出版社.
Lua i Stíl Chicago (17ú heag.)(美)罗伯特·弗兰克(Robert H. Frank)著. 牛奶可乐经济学．4：liberty, Competition, and the Common Good．4. 浙江人民出版社, 2020.
Lua MLA (8ú heag.)(美)罗伯特·弗兰克(Robert H. Frank)著. 牛奶可乐经济学．4：liberty, Competition, and the Common Good．4. 浙江人民出版社, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.