Philippines. Republic. Department of Trade and Industry. Directory of large establishments: 1967 economic census. Bureau of the Census and Statistics.
Chicago Style (17. basım) AtıfPhilippines. Republic. Department of Trade and Industry. Directory of Large Establishments: 1967 Economic Census. Manila: Bureau of the Census and Statistics.
MLA (8th ed.) AtıfPhilippines. Republic. Department of Trade and Industry. Directory of Large Establishments: 1967 Economic Census. Bureau of the Census and Statistics.
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