UNICEF & Mandl, P. (1985). Universal child immunization by 1990. UNICEF.
Chicago Style aipamenaUNICEF and P.-E Mandl. Universal Child Immunization by 1990. Geneve, Suisse: UNICEF, 1985.
MLA aipamenaUNICEF and P.-E Mandl. Universal Child Immunization by 1990. UNICEF, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.