Norman Vincent Peale. (1990). The Positive Way To Change Your Life (I.). Vermilion.
Dyfyniad Arddull ChicagoNorman Vincent Peale. The Positive Way To Change Your Life. I. London: Vermilion, 1990.
Dyfyniad MLANorman Vincent Peale. The Positive Way To Change Your Life. I. Vermilion, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.