Dyfyniad APA

Swartz, W. H., Willems, J. J., & Lim, K. B. (1982). Obstetrics and gynecology: Pretest self-assessment and review (2nd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Swartz, William H., John J. Willems, and Kiat B. Lim. Obstetrics and Gynecology: Pretest Self-assessment and Review. 2nd ed. New York: McGraw-Hill, 1982.

Dyfyniad MLA

Swartz, William H., et al. Obstetrics and Gynecology: Pretest Self-assessment and Review. 2nd ed. McGraw-Hill, 1982.

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