Dyfyniad APA
ebrary, Inc, & Culebras, A. (1999). Sleep disorders and neurological disease. M. Dekker.
Dyfyniad Arddull Chicago
ebrary, Inc, and A. Culebras. Sleep Disorders and Neurological Disease. New York: M. Dekker, 1999.
Dyfyniad MLA
ebrary, Inc, and A. Culebras. Sleep Disorders and Neurological Disease. M. Dekker, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.