Dyfyniad APA
ebrary, Inc, & Sandberg, S. (2002). Hyperactivity and attention disorders of childhood (2nd ed.). Cambridge University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, and Seija Sandberg. Hyperactivity and Attention Disorders of Childhood. 2nd ed. Cambridge, UK ; New York: Cambridge University Press, 2002.
Dyfyniad MLA
ebrary, Inc, and Seija Sandberg. Hyperactivity and Attention Disorders of Childhood. 2nd ed. Cambridge University Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.