Peale, N. V. (2003). The power of positive thinking. New York: Fireside/Simon & Schuster.
Chicago Style CitationPeale, Norman Vincent. The Power of Positive Thinking. New York: Fireside/Simon & Schuster, 2003.
Cita MLAPeale, Norman Vincent. The Power of Positive Thinking. New York: Fireside/Simon & Schuster, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.