Não informado. Problems of Infectious and Parasitic Diseases. Medical Academy.
Cita Chicago Style (17a ed.)Não informado. Problems of Infectious and Parasitic Diseases. Sofia: Medical Academy.
Cita MLA (8a ed.)Não informado. Problems of Infectious and Parasitic Diseases. Medical Academy.
Precaución: Estas citas no son 100% exactas.