Dyfyniad APA

ebrary, Inc, Pandi-Perumal, S. R., & Kramer, M. (2010). Sleep and mental illness. Cambridge University Press.

Dyfyniad Arddull Chicago

ebrary, Inc, S. R. Pandi-Perumal, and Milton Kramer. Sleep and Mental Illness. Cambridge ; New York: Cambridge University Press, 2010.

Dyfyniad MLA

ebrary, Inc, et al. Sleep and Mental Illness. Cambridge University Press, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.