APA
World Healt Organization, . (2011). Who Expert Committee on Specifications for Pharmaceutical Preparations. Switzerland, ch: World Health Organization.
Chicago
World Healt Organization, . 2011. Who Expert Committee on Specifications for Pharmaceutical Preparations. Switzerland, ch: World Health Organization.
Harvard
World Healt Organization, . (2011). Who Expert Committee on Specifications for Pharmaceutical Preparations. Switzerland, ch: World Health Organization.
MLA
World Healt Organization, . Who Expert Committee on Specifications for Pharmaceutical Preparations. Switzerland, ch: World Health Organization. 2011.