Dyfyniad APA

DeVita, V. T., Hellman, S., & Rosenberg, S. A. (1992). AIDS: Etiology, diagnosis, treatment, and prevention (3rd ed.). Lippincott.

Dyfyniad Arddull Chicago

DeVita, Vincent T., Samuel Hellman, and Steven A. Rosenberg. AIDS: Etiology, Diagnosis, Treatment, and Prevention. 3rd ed. Philadelphia: Lippincott, 1992.

Dyfyniad MLA

DeVita, Vincent T., et al. AIDS: Etiology, Diagnosis, Treatment, and Prevention. 3rd ed. Lippincott, 1992.

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