Dyfyniad APA
ebrary, Inc, Parmeggiani, P. L., & Velluti, R. A. (2005). The physiologic nature of sleep. Imperial College Press ; Distributed by World Scientific Publishing.
Dyfyniad Arddull Chicago
ebrary, Inc, P. L. Parmeggiani, and Ricardo A. Velluti. The Physiologic Nature of Sleep. London : Hackensack, NJ: Imperial College Press ; Distributed by World Scientific Publishing, 2005.
Dyfyniad MLA
ebrary, Inc, et al. The Physiologic Nature of Sleep. Imperial College Press ; Distributed by World Scientific Publishing, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.