Dyfyniad APA
ebrary, Inc, Luyn, J. B. v., Akhtar, S., & Livesley, W. J. (2007). Severe personality disorders. Cambridge University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, J. B. van Luyn, Salman Akhtar, and W. John Livesley. Severe Personality Disorders. Cambridge ; New York: Cambridge University Press, 2007.
Dyfyniad MLA
ebrary, Inc, et al. Severe Personality Disorders. Cambridge University Press, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.