Fritz, R. (2003). Hundred ways to bring out your best: Never underestimate yourself. Pustak Mahal.
Dyfyniad Arddull ChicagoFritz, Roger. Hundred Ways to Bring Out Your Best: Never Underestimate Yourself. Delhi: Pustak Mahal, 2003.
Dyfyniad MLAFritz, Roger. Hundred Ways to Bring Out Your Best: Never Underestimate Yourself. Pustak Mahal, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.