Philippines (Commonwealth) Bureau of Commerce. (1946). Trade directory of the Philippines, 1946. Bureau of Commerce].
Citazione stile Chigago Style (17a edizione)Philippines (Commonwealth) Bureau of Commerce. Trade Directory of the Philippines, 1946. [S.l: Bureau of Commerce], 1946.
Citatione MLA (9a ed.)Philippines (Commonwealth) Bureau of Commerce. Trade Directory of the Philippines, 1946. Bureau of Commerce], 1946.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.