郑凯名著. (2008). 商业金钱学 The wisdom of money 让你拥有金钱智慧：．，. 世界知识出版社.
Lua i Stíl Chicago (17ú heag.)郑凯名著. 商业金钱学 The Wisdom of Money 让你拥有金钱智慧：．，. 世界知识出版社, 2008.
Lua MLA (8ú heag.)郑凯名著. 商业金钱学 The Wisdom of Money 让你拥有金钱智慧：．，. 世界知识出版社, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.