Gaya APA

John, D, T., Petri, W, A. (2006). Markell and Voge's Medical Parasitology (9th.Ed). St. Louise, Missouri: Elsevier.

Gaya MLA

John, David, T.., Petri, William, A.. "Markell and Voge's Medical Parasitology". 9th.Ed St. Louise, Missouri: Elsevier, 2006. Text.