Cita APA

Duckworth, G. J. (1991). Consultants in communicable disease control.

Chicago Style Citation

Duckworth, G J. Consultants in Communicable Disease Control. 1991.

Cita MLA

Duckworth, G J. Consultants in Communicable Disease Control. 1991.

Atenció: Aquestes cites poden no estar 100% correctes.