APA
WHO, . (1989). The reproductive health of adolescents : a strategy for action joint who /unfp /unice fstatement. Geneva: WHO Regional Publications.
Chicago
WHO, . 1989. The reproductive health of adolescents : a strategy for action joint who /unfp /unice fstatement. Geneva: WHO Regional Publications.
Harvard
WHO, . (1989). The reproductive health of adolescents : a strategy for action joint who /unfp /unice fstatement. Geneva: WHO Regional Publications.
MLA
WHO, . The reproductive health of adolescents : a strategy for action joint who /unfp /unice fstatement. Geneva: WHO Regional Publications. 1989.