World Health Organization. (2012). Blood donor counselling: Implementation guidelines electronic resource. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Blood Donor Counselling: Implementation Guidelines Electronic Resource. Geneva: World Health Organization, 2012.
Cita MLA (9a ed.)World Health Organization. Blood Donor Counselling: Implementation Guidelines Electronic Resource. World Health Organization, 2012.
Precaución: Estas citas no son 100% exactas.