Philippines. National Census and Statistics Office. (1977). Estimates of fertility in the Philippines derived by the own-children method: 1960-1968. National Economic and Development Authority, National Census and Statistics Office.
Chicago-referens (17:e uppl.)Philippines. National Census and Statistics Office. Estimates of Fertility in the Philippines Derived by the Own-children Method: 1960-1968. Manila: National Economic and Development Authority, National Census and Statistics Office, 1977.
MLA-referens (9:e uppl.)Philippines. National Census and Statistics Office. Estimates of Fertility in the Philippines Derived by the Own-children Method: 1960-1968. National Economic and Development Authority, National Census and Statistics Office, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.