Dyfyniad APA

World Health Organization & ebrary, Inc. (2008). Tuberculosis and air travel: Guidelines for prevention and control (3rd ed.). World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization and Inc ebrary. Tuberculosis and Air Travel: Guidelines for Prevention and Control. 3rd ed. Geneva: World Health Organization, 2008.

Dyfyniad MLA

World Health Organization and Inc ebrary. Tuberculosis and Air Travel: Guidelines for Prevention and Control. 3rd ed. World Health Organization, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.