Dando-Collins, S. (1998). The Penguin book of business wisdom. Penguin.
Lua i Stíl Chicago (17ú heag.)Dando-Collins, Stephen. The Penguin Book of Business Wisdom. New Delhi: Penguin, 1998.
Lua MLA (9ú heag.)Dando-Collins, Stephen. The Penguin Book of Business Wisdom. Penguin, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.