Cita APA (7th ed.)

Sharma,P.N, & Ratnu,L.S. (1984). An Introduction to Parasitology. Chand and Company Ltd..

Cita Chicago (17th ed.)

Sharma,P.N, i Ratnu,L.S. An Introduction to Parasitology. New Delhi: Chand and Company Ltd., 1984.

Cita MLA (9th ed.)

Sharma,P.N, i Ratnu,L.S. An Introduction to Parasitology. Chand and Company Ltd., 1984.