Gaya APA

Walce, P, D., Cushion, M, T. (2005). Pneumocystis Pneumonia Revised and Expanded (3). USA: Marcel Dekker.

Gaya MLA

Walce, Peter, D.., Cushion, Melanie, T.. "Pneumocystis Pneumonia Revised and Expanded". 3 USA: Marcel Dekker, 2005. Text.