Dyfyniad APA

DeVita, V. T., Hellman, S., & Rosenberg, S. A. (1997). Cancer: Principles & practice of oncology (5th ed.). Lippincott - Raven.

Dyfyniad Arddull Chicago

DeVita, Vincent T., Samuel Hellman, and Steven A. Rosenberg. Cancer: Principles & Practice of Oncology. 5th ed. Philadelphia: Lippincott - Raven, 1997.

Dyfyniad MLA

DeVita, Vincent T., et al. Cancer: Principles & Practice of Oncology. 5th ed. Lippincott - Raven, 1997.

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