Citazione Stile APA (7a Edizione)

Power, J. H. (1979). Effective protection and the processing of primary commodities. School of Economics, University of the Philippines.

Citazione stile Chigago Style (17a edizione)

Power, John H. Effective Protection and the Processing of Primary Commodities. [Quezon City]: School of Economics, University of the Philippines, 1979.

Citatione MLA (9a ed.)

Power, John H. Effective Protection and the Processing of Primary Commodities. School of Economics, University of the Philippines, 1979.