执云 & 魏茂峰. (2009). 找出一万个理由微笑: One million reason to smile. 光明日报出版社.
Lua i Stíl Chicago (17ú heag.)执云 agus 魏茂峰. 找出一万个理由微笑: One Million Reason to Smile. 光明日报出版社, 2009.
Lua MLA (8ú heag.)执云 agus 魏茂峰. 找出一万个理由微笑: One Million Reason to Smile. 光明日报出版社, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.