World Health Organization. (2012). WHO Expert Committee on Biological Standardization (Fifty-ninth report.). World Health Organization.
Cita Chicago (17th ed.)World Health Organization. WHO Expert Committee on Biological Standardization. Fifty-ninth report. Geneva, Switzerland: World Health Organization, 2012.
Cita MLA (8th ed.)World Health Organization. WHO Expert Committee on Biological Standardization. Fifty-ninth report. World Health Organization, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.