Dyfyniad APA

McGinnis, J. M., & Kolbe, L. J. (1993). Foreword: Improving adolescent health: research to guide action.

Dyfyniad Arddull Chicago

McGinnis, J. Michael, and Lloyd J. Kolbe. Foreword: Improving Adolescent Health: Research to Guide Action. 1993.

Dyfyniad MLA

McGinnis, J. Michael, and Lloyd J. Kolbe. Foreword: Improving Adolescent Health: Research to Guide Action. 1993.

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