Tobias, M., & Stewart, M. (1985). Stretch and relax. Dorling Kindersley.
Dyfyniad Arddull ChicagoTobias, Maxine, and Mary Stewart. Stretch and Relax. London: Dorling Kindersley, 1985.
Dyfyniad MLATobias, Maxine, and Mary Stewart. Stretch and Relax. Dorling Kindersley, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.