APA
WHO, . (2003). Safe abortion : technical and policy guidance for health systems. WHO, Geneva: .
Chicago
WHO, . 2003. Safe abortion : technical and policy guidance for health systems. WHO, Geneva: .
Harvard
WHO, . (2003). Safe abortion : technical and policy guidance for health systems. WHO, Geneva: .
MLA
WHO, . Safe abortion : technical and policy guidance for health systems. WHO, Geneva: . 2003.