Powell, G. M. (1961). Use of commercial policies for purposes of economic development with respect to selected underdeveloped countries. [s.n.
Citazione stile Chigago Style (17a edizione)Powell, George McCutchan. Use of Commercial Policies for Purposes of Economic Development with Respect to Selected Underdeveloped Countries. Urbana, Ill: [s.n, 1961.
Citatione MLA (9a ed.)Powell, George McCutchan. Use of Commercial Policies for Purposes of Economic Development with Respect to Selected Underdeveloped Countries. [s.n, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.