Dyfyniad APA

BOND, L. A. (1989). Primary prevention and promotion in the schools. Sage.

Dyfyniad Arddull Chicago

BOND, Lynne A. Primary Prevention and Promotion in the Schools. Newbury Park: Sage, 1989.

Dyfyniad MLA

BOND, Lynne A. Primary Prevention and Promotion in the Schools. Sage, 1989.

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