Dyfyniad APA

O'Connor, J., Drainville, B., & Preiss-Glasser, R. (2009). Pajama Day. HarperCollins.

Dyfyniad Arddull Chicago

O'Connor, Jane, Beth Drainville, and Robin Preiss-Glasser. Pajama Day. New York: HarperCollins, 2009.

Dyfyniad MLA

O'Connor, Jane, et al. Pajama Day. HarperCollins, 2009.

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