Benson, P. L., & Williams, D. L. (1987). The quicksilver years: The hopes and fears of early adolescence. Harper & Row.
Dyfyniad Arddull ChicagoBenson, Peter L., and Dorothy L. Williams. The Quicksilver Years: The Hopes and Fears of Early Adolescence. New York: Harper & Row, 1987.
Dyfyniad MLABenson, Peter L., and Dorothy L. Williams. The Quicksilver Years: The Hopes and Fears of Early Adolescence. Harper & Row, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.