Peale, N. V. . .. (1952). Power of positive thinking. Prentice Hall.
Chicago Edition CitationPeale, Norman Vincent. Power of Positive Thinking. New Jersey: Prentice Hall, 1952.
Cita MLAPeale, Norman Vincent. Power of Positive Thinking. Prentice Hall, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.