APA

World Health Organization. Department of Vaccines and Biologicals, Bennett J. V., Platonov A. E., Slack M. P. E., Mala P., Burton A. H. & Robertson S. E. (2002). Haemophilus influenzae type b (Hib) meningitis in the pre-vaccine era : a global review of incidence, age distributions, and case-fatality rates. Geneva: World Health Organization.

Chicago

World Health Organization. Department of Vaccines and Biologicals, Bennett John V, Platonov Alexander E, Slack Mary P E, Mala Peter, Burton Anthony H and Robertson Susan E. 2002. Haemophilus influenzae type b (Hib) meningitis in the pre-vaccine era : a global review of incidence, age distributions, and case-fatality rates. Geneva: World Health Organization.

Harvard

World Health Organization. Department of Vaccines and Biologicals, Bennett J. V., Platonov A. E., Slack M. P. E., Mala P., Burton A. H. and Robertson S. E. (2002). Haemophilus influenzae type b (Hib) meningitis in the pre-vaccine era : a global review of incidence, age distributions, and case-fatality rates. Geneva: World Health Organization.

MLA

World Health Organization. Department of Vaccines and Biologicals, Bennett John V, Platonov Alexander E, Slack Mary P E, Mala Peter, Burton Anthony H and Robertson Susan E. Haemophilus influenzae type b (Hib) meningitis in the pre-vaccine era : a global review of incidence, age distributions, and case-fatality rates. Geneva: World Health Organization. 2002.