Dyfyniad APA

Sroufe, L. A., Cooper, R. G., De Hart, G., & B, U. (1996). Child Development; Its Nature and Course. Mc Graw-Hill.

Dyfyniad Arddull Chicago

Sroufe, L. Alan, Robert G. Cooper, Genie De Hart, and Urie B. Child Development; Its Nature and Course. Mc Graw-Hill, 1996.

Dyfyniad MLA

Sroufe, L. Alan, et al. Child Development; Its Nature and Course. Mc Graw-Hill, 1996.

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