Dyfyniad APA
ebrary, Inc, Millstein, S. G., Petersen, A. C., & Nightingale, E. O. (1993). Promoting the health of adolescents: New directions for the twenty-first century. Oxford University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Susan G. Millstein, Anne C. Petersen, and Elena O. Nightingale. Promoting the Health of Adolescents: New Directions for the Twenty-first Century. New York: Oxford University Press, 1993.
Dyfyniad MLA
ebrary, Inc, et al. Promoting the Health of Adolescents: New Directions for the Twenty-first Century. Oxford University Press, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.