World Health Organization. (2005). Selected practice recommendations for contraceptive use (2nd ed.). world Health Organization.
Style de citation Chicago (17e éd.)World Health Organization. Selected Practice Recommendations for Contraceptive Use. 2nd ed. Geneva: world Health Organization, 2005.
Style de citation MLA (9e éd.)World Health Organization. Selected Practice Recommendations for Contraceptive Use. 2nd ed. world Health Organization, 2005.
Attention : ces citations peuvent ne pas être correctes à 100%.