APA (7th ed.) Zitazioa

Wilson, S., & Nutt, D. J. (2008). Sleep disorders. Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Wilson, Sue, eta David J. Nutt. Sleep Disorders. Oxford ; New York: Oxford University Press, 2008.

MLA (9th ed.) Zitazioa

Wilson, Sue, eta David J. Nutt. Sleep Disorders. Oxford University Press, 2008.