Philippines. National Census and Statistics Office. (1980). Urban population of the Philippines by category, by region, province and city: 1970, 1975 and 1980. NCSO.
Chicago Style (17th ed.) CitationPhilippines. National Census and Statistics Office. Urban Population of the Philippines by Category, by Region, Province and City: 1970, 1975 and 1980. Manila: NCSO, 1980.
MLA (9th ed.) CitationPhilippines. National Census and Statistics Office. Urban Population of the Philippines by Category, by Region, Province and City: 1970, 1975 and 1980. NCSO, 1980.
Warning: These citations may not always be 100% accurate.