Dyfyniad APA
Bayley, N., & Bayer, L. M. (1959). Growth Diagnosis (1a. ed.). The University of Chicago Press.
Dyfyniad Arddull Chicago
Bayley, Nancy, and Leona M. Bayer. Growth Diagnosis. 1a. ed. Chicago: The University of Chicago Press, 1959.
Dyfyniad MLA
Bayley, Nancy, and Leona M. Bayer. Growth Diagnosis. 1a. ed. The University of Chicago Press, 1959.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.