Dyfyniad APA

Schwartz, A. (2012). Lucy can't sleep. Roaring Brook Press.

Dyfyniad Arddull Chicago

Schwartz, Amy. Lucy Can't Sleep. New York: Roaring Brook Press, 2012.

Dyfyniad MLA

Schwartz, Amy. Lucy Can't Sleep. Roaring Brook Press, 2012.

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