Dyfyniad APA
Chess, S., Hertzig, M. E., & Thomas, A. (1989). Annual progress in child psychiatry and child development 1988. Brunner/Mazel.
Dyfyniad Arddull Chicago
Chess, Stella, Margaret E. Hertzig, and Alexander Thomas. Annual Progress in Child Psychiatry and Child Development 1988. New York: Brunner/Mazel, 1989.
Dyfyniad MLA
Chess, Stella, et al. Annual Progress in Child Psychiatry and Child Development 1988. Brunner/Mazel, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.