Cohen, P. (1973). The gospel according to the Harvard Business School. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Cohen, Peter. The Gospel According to the Harvard Business School. Baltimore, Md.: Penguin Books, 1973.
Lua MLA (8ú heag.)Cohen, Peter. The Gospel According to the Harvard Business School. Penguin Books, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.