Drucker, P. (1977). Preparing tomorrows business leaders today. Taraporewala.
Lua i Stíl Chicago (17ú heag.)Drucker, Peter. Preparing Tomorrows Business Leaders Today. Mumbai: Taraporewala, 1977.
Lua MLA (9ú heag.)Drucker, Peter. Preparing Tomorrows Business Leaders Today. Taraporewala, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.