Philippines (Republic). National Census and Statistics Office. (1972). Census of population and housing: 1970. [s.n.].
Chicago-Zitierstil (17. Ausg.)Philippines (Republic). National Census and Statistics Office. Census of Population and Housing: 1970. Manila: [s.n.], 1972.
MLA-Zitierstil (9. Ausg.)Philippines (Republic). National Census and Statistics Office. Census of Population and Housing: 1970. [s.n.], 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.