海尔. (2010). 故事力: Story always touches & sells. 中国画报出版社.
Lua i Stíl Chicago (17ú heag.)海尔. 故事力: Story Always Touches & Sells. 中国画报出版社, 2010.
Lua MLA (8ú heag.)海尔. 故事力: Story Always Touches & Sells. 中国画报出版社, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.