Gaya APA

Organization, W, H. (2008). Cervical cancer, human papillomavirus (‎HPV)‎ and HPV vaccines: key points for policy-makers and health professionals . : World Health Organization.

Gaya MLA

Organization, World, Health. "Cervical cancer, human papillomavirus (‎HPV)‎ and HPV vaccines: key points for policy-makers and health professionals". : World Health Organization, 2008. E-Book.