Dyfyniad APA

Thies, K. M., & Travers, J. F. (2009). Growth and development through the lifespan (2nd ed.). Jones and Bartlett.

Dyfyniad Arddull Chicago

Thies, Kathleen M., and John F. Travers. Growth and Development Through the Lifespan. 2nd ed. Sudbury, MA: Jones and Bartlett, 2009.

Dyfyniad MLA

Thies, Kathleen M., and John F. Travers. Growth and Development Through the Lifespan. 2nd ed. Jones and Bartlett, 2009.

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