Gaya APA

Schmidt, G, D, 1., Roberts, L, S, 1. (2005). Foundations of parasitology (7th ed.). New York: McGraw Hill Higher Education.

Gaya MLA

Schmidt, Gerald, D.,, 1934-., Roberts, Larry, S.,, 1935-. "Foundations of parasitology". 7th ed. New York: McGraw Hill Higher Education, 2005. Text.