Templar, R. (2007). Rules of life. Dorling Kindersley.
Dyfyniad Arddull ChicagoTemplar, Richard. Rules of Life. New Delhi: Dorling Kindersley, 2007.
Dyfyniad MLATemplar, Richard. Rules of Life. Dorling Kindersley, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.