Cita APA

Covey,Stephen R. Living the seven habits: The courage to change. Simon & Schuster.

Citación estilo Chicago

Covey,Stephen R. Living the Seven Habits: The Courage to Change. London: Simon & Schuster.

Cita MLA

Covey,Stephen R. Living the Seven Habits: The Courage to Change. Simon & Schuster.

Warning: These citations may not always be 100% accurate.