Dyfyniad APA

Mayer, M., Dyer, J., & Krauss, R. (2007). Little Critter: I Am Helping (1st board book ed.). HarperFestival.

Dyfyniad Arddull Chicago

Mayer, Mercer, Jane Dyer, and Ruth Krauss. Little Critter: I Am Helping. 1st board book ed. New York: HarperFestival, 2007.

Dyfyniad MLA

Mayer, Mercer, et al. Little Critter: I Am Helping. 1st board book ed. HarperFestival, 2007.

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