Cita APA

James A Gray & Peter Ball. (1998). Infectious diseases (Second.). Churchill livingstone.

Chicago Edition Citation

James A Gray i Peter Ball. Infectious Diseases. Second. Churchill livingstone, 1998.

Cita MLA

James A Gray i Peter Ball. Infectious Diseases. Second. Churchill livingstone, 1998.

Atenció: Aquestes cites poden no estar 100% correctes.