Penggayaan APA

DRUCKER, Peter F.. (1998). Peter Drucker . Boston: A Harvard Business Review Book.

Chicago Style

DRUCKER, Peter F.. Peter Drucker. Boston: A Harvard Business Review Book, 1998. Text.

MLA Style

DRUCKER, Peter F.. Peter Drucker. Boston: A Harvard Business Review Book, 1998. Text.

Turabian Style

DRUCKER, Peter F.. Peter Drucker. Boston: A Harvard Business Review Book, 1998. Print.