Penggayaan APA

COHEN, WILLIAM A.. (2013). Drucker on Marketing : Lessons from The World's Most Influential Business Thinker . New York: McGraw Hill.

Chicago Style

COHEN, WILLIAM A.. Drucker on Marketing : Lessons from The World's Most Influential Business Thinker. New York: McGraw Hill, 2013. Text.

MLA Style

COHEN, WILLIAM A.. Drucker on Marketing : Lessons from The World's Most Influential Business Thinker. New York: McGraw Hill, 2013. Text.

Turabian Style

COHEN, WILLIAM A.. Drucker on Marketing : Lessons from The World's Most Influential Business Thinker. New York: McGraw Hill, 2013. Print.