Dyfyniad APA

Santrock, J. W. (1995). Life-span development (5th ed.). Madison, Wis.: WCB Brown & Benchmark Publishers.

Dyfyniad Arddull Chicago

Santrock, John W. Life-span Development. 5th ed. Madison, Wis.: WCB Brown & Benchmark Publishers, 1995.

Dyfyniad MLA

Santrock, John W. Life-span Development. 5th ed. Madison, Wis.: WCB Brown & Benchmark Publishers, 1995.

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