Gaya APA

FROHMAN,Dov, ., HOWARD, R. (2008). Leadership the Hard Way : Why Leadership can't be Taught- and How You Can Learn it Anyway . San Francisco: Jossey-Bass.

Gaya MLA

FROHMAN,Dov, ., HOWARD, Robert. "Leadership the Hard Way : Why Leadership can't be Taught- and How You Can Learn it Anyway". San Francisco: Jossey-Bass, 2008. Text.