APA
World Health Organization. Regional Office for the Western Pacific, . (2003). Guide for writers in the Western Pacific Region. Manila: WHO Regional Office for the Western Pacific.
Chicago
World Health Organization. Regional Office for the Western Pacific, . 2003. Guide for writers in the Western Pacific Region. Manila: WHO Regional Office for the Western Pacific.
Harvard
World Health Organization. Regional Office for the Western Pacific, . (2003). Guide for writers in the Western Pacific Region. Manila: WHO Regional Office for the Western Pacific.
MLA
World Health Organization. Regional Office for the Western Pacific, . Guide for writers in the Western Pacific Region. Manila: WHO Regional Office for the Western Pacific. 2003.