APA استشهاد

Voyles, B. A. (2002). The biology of viruses (2nd ed.). Mc Graw hill.

استشهاد بنمط شيكاغو

Voyles, Bruce A. The Biology of Viruses. 2nd ed. Boston: Mc Graw hill, 2002.

MLA استشهاد

Voyles, Bruce A. The Biology of Viruses. 2nd ed. Mc Graw hill, 2002.