APA (7th ed.) Citation
(1981). Hong Kong 1981 Census: Tertiary planning unit population by age. Census and Statistics Department.
Chicago Style (17th ed.) Citation
Hong Kong 1981 Census: Tertiary Planning Unit Population by Age. Hong Kong: Census and Statistics Department, 1981.
MLA (9th ed.) Citation
Hong Kong 1981 Census: Tertiary Planning Unit Population by Age. Census and Statistics Department, 1981.
Warning: These citations may not always be 100% accurate.