World Health Organization. Department of Immunization, Vaccines and Biologicals (Ženeva, Švajčiarsko). 2015. Immunization in practice: <a> practical guide for health staff : 2015 update. Geneva: World Health Organization.
Citáce podľa APA (7th ed.)World Health Organization. Department of Immunization, Vaccines and Biologicals (Ženeva, Švajčiarsko). (2015). Immunization in practice: <a> practical guide for health staff : 2015 update. World Health Organization.
Citácia podle Chicago (17th ed.)World Health Organization. Department of Immunization, Vaccines and Biologicals (Ženeva, Švajčiarsko). Immunization in Practice: <a> Practical Guide for Health Staff : 2015 Update. Geneva: World Health Organization, 2015.
Citácia podľa MLA (8th ed.)World Health Organization. Department of Immunization, Vaccines and Biologicals (Ženeva, Švajčiarsko). Immunization in Practice: <a> Practical Guide for Health Staff : 2015 Update. World Health Organization, 2015.
