Ponder, C. (1985). The dynamic laws of prosperity (Rev. ed.). DeVorss.
Dyfyniad Arddull ChicagoPonder, Catherine. The Dynamic Laws of Prosperity. Rev. ed. Marina del Rey, CA: DeVorss, 1985.
Dyfyniad MLAPonder, Catherine. The Dynamic Laws of Prosperity. Rev. ed. DeVorss, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.