Whitney, E. P. (2010). Blueprint for success in business. University Press of America.
Lua i Stíl Chicago (17ú heag.)Whitney, E. P. Blueprint for Success in Business. Lanham, MD: University Press of America, 2010.
Lua MLA (9ú heag.)Whitney, E. P. Blueprint for Success in Business. University Press of America, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.