Dyfyniad APA
ebrary, Inc, Estlin, E., & Lowis, S. (2005). Central nervous system tumours of childhood. Mac Keith Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Eddy Estlin, and Stephen Lowis. Central Nervous System Tumours of Childhood. London: Mac Keith Press, 2005.
Dyfyniad MLA
ebrary, Inc, et al. Central Nervous System Tumours of Childhood. Mac Keith Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.