Philippines. National Census and Statistics Office. (1978). Total population of the Philippines by region, province, city, municipal district: 1975. NCSO.
Chicago-viite (17. p.)Philippines. National Census and Statistics Office. Total Population of the Philippines by Region, Province, City, Municipal District: 1975. Manila: NCSO, 1978.
MLA-viite (9. p.)Philippines. National Census and Statistics Office. Total Population of the Philippines by Region, Province, City, Municipal District: 1975. NCSO, 1978.
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