Cita APA (7th ed.)
World Health Organization & ebrary, Inc. (2006). Tuberculosis and air travel: Guidelines for prevention and control (2nd ed.). World Health Organization.
Cita Chicago (17th ed.)
World Health Organization i Inc ebrary. Tuberculosis and Air Travel: Guidelines for Prevention and Control. 2nd ed. Geneva: World Health Organization, 2006.
Cita MLA (9th ed.)
World Health Organization i Inc ebrary. Tuberculosis and Air Travel: Guidelines for Prevention and Control. 2nd ed. World Health Organization, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.