Cobb, N. J. (2004). Adolescence: Continuity, change, and diversity. Boston, MA: McGraw-Hill.
Dyfyniad Arddull ChicagoCobb, Nancy J. Adolescence: Continuity, Change, and Diversity. Boston, MA: McGraw-Hill, 2004.
Dyfyniad MLACobb, Nancy J. Adolescence: Continuity, Change, and Diversity. Boston, MA: McGraw-Hill, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.