Cita APA

World Health Organization. (2006). State of the world's vaccines and immunization. A.I.T.B.S Pubrs.

Chicago Edition Citation

World Health Organization. State of the World's Vaccines and Immunization. Delhi: A.I.T.B.S Pubrs, 2006.

Cita MLA

World Health Organization. State of the World's Vaccines and Immunization. A.I.T.B.S Pubrs, 2006.