Gutin, B., & Kessler, G. (1983). The high-energy factor: The no-diet way to slimness and health through natural exercise. Random House.
Dyfyniad Arddull ChicagoGutin, Bernard, and Gail Kessler. The High-energy Factor: The No-diet Way to Slimness and Health Through Natural Exercise. New York: Random House, 1983.
Dyfyniad MLAGutin, Bernard, and Gail Kessler. The High-energy Factor: The No-diet Way to Slimness and Health Through Natural Exercise. Random House, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.