Dyfyniad APA
Bigner, J. J., & Gerhardt, C. (2014). Parent-child relations: An introduction to parenting (9th ed.). Pearson.
Dyfyniad Arddull Chicago
Bigner, Jerry J., and Clara Gerhardt. Parent-child Relations: An Introduction to Parenting. 9th ed. Boston: Pearson, 2014.
Dyfyniad MLA
Bigner, Jerry J., and Clara Gerhardt. Parent-child Relations: An Introduction to Parenting. 9th ed. Pearson, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.