APA-viite

Bulla, L. A. (1960). Comparative pathobiology: : Biology of the microsporidia. Academic press.

Chicago-tyylinen lähdeviittaus

Bulla, Lee A. Comparative Pathobiology: : Biology of the Microsporidia. New York: Academic press, 1960.

MLA-viite

Bulla, Lee A. Comparative Pathobiology: : Biology of the Microsporidia. Academic press, 1960.