Dyfyniad APA
Smith, M. W., & Ridenour, F. (1987). Old enough to know. Contempo Books.
Dyfyniad Arddull Chicago
Smith, Michael W., and Fritz Ridenour. Old Enough to Know. Ft. Worth, TX: Contempo Books, 1987.
Dyfyniad MLA
Smith, Michael W., and Fritz Ridenour. Old Enough to Know. Contempo Books, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.