APA
World Health Organisation, . (1985). Basic principles for control of acute respiratory infections in children in developing countries. Geneva: WHO Regional Publications.
Chicago
World Health Organisation, . 1985. Basic principles for control of acute respiratory infections in children in developing countries. Geneva: WHO Regional Publications.
Harvard
World Health Organisation, . (1985). Basic principles for control of acute respiratory infections in children in developing countries. Geneva: WHO Regional Publications.
MLA
World Health Organisation, . Basic principles for control of acute respiratory infections in children in developing countries. Geneva: WHO Regional Publications. 1985.