Citazione Stile APA (7a Edizione)

Philippines (Republic). Bureau of the Census and Statistics. (1971). Directory of large establishments, 1967 economic census. [s.n.].

Citazione stile Chigago Style (17a edizione)

Philippines (Republic). Bureau of the Census and Statistics. Directory of Large Establishments, 1967 Economic Census. Manila: [s.n.], 1971.

Citatione MLA (9a ed.)

Philippines (Republic). Bureau of the Census and Statistics. Directory of Large Establishments, 1967 Economic Census. [s.n.], 1971.