Não informado. Problems of Infectious and Parasitic Diseases. Medical Academy.
Citação do estilo Chicago (17ª ed.)Não informado. Problems of Infectious and Parasitic Diseases. Sofia: Medical Academy.
Citação MLA (8ª ed.)Não informado. Problems of Infectious and Parasitic Diseases. Medical Academy.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
