World Health Organization. (1987). Guidelines for the toxicological and clinical assessment and post-registration surveillance of steroidal contraceptive drugs (First edition.). World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Guidelines for the Toxicological and Clinical Assessment and Post-registration Surveillance of Steroidal Contraceptive Drugs. First edition. Geneva: World Health Organization, 1987.
Citatione MLA (8a ed.)World Health Organization. Guidelines for the Toxicological and Clinical Assessment and Post-registration Surveillance of Steroidal Contraceptive Drugs. First edition. World Health Organization, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.