Dyfyniad APA

Hetherington, E. M., Parke, R. D., Gauvain, M., & Locke, V. O. (2006). Child psychology: A contemporary viewpoint (Sixth edition.). McGraw-Hill.

Dyfyniad Arddull Chicago

Hetherington, E. Mavis, Ross D. Parke, Mary Gauvain, and Virginia Otis Locke. Child Psychology: A Contemporary Viewpoint. Sixth edition. Boston: McGraw-Hill, 2006.

Dyfyniad MLA

Hetherington, E. Mavis, et al. Child Psychology: A Contemporary Viewpoint. Sixth edition. McGraw-Hill, 2006.

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