Ary, D., & Donald Ary; Lucy Cheser Jacobs; Asghar Razavieh. (2006). Introduction to research in education. New York: Holt, Rinehart and Winston.
Dyfyniad Arddull ChicagoAry, Donald, và Donald Ary; Lucy Cheser Jacobs; Asghar Razavieh. Introduction to Research in Education. New York: Holt, Rinehart and Winston, 2006.
Dyfyniad MLAAry, Donald, và Donald Ary; Lucy Cheser Jacobs; Asghar Razavieh. Introduction to Research in Education. New York: Holt, Rinehart and Winston, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.