Ball, A. P. (1982). Notes on infectious diseases. Livingstone.
Cita Chicago (17th ed.)Ball, A. P. Notes on Infectious Diseases. Edinburgh: Livingstone, 1982.
Cita MLA (9th ed.)Ball, A. P. Notes on Infectious Diseases. Livingstone, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.