De Torres, A. B. (1984). Factors associated with the effectiveness of cooperatives in the Third World: A conceptual model for the Philippines. University Microfilms.
Lua i Stíl Chicago (17ú heag.)De Torres, Alfredo Banual. Factors Associated with the Effectiveness of Cooperatives in the Third World: A Conceptual Model for the Philippines. Ann Arbor: University Microfilms, 1984.
Lua MLA (9ú heag.)De Torres, Alfredo Banual. Factors Associated with the Effectiveness of Cooperatives in the Third World: A Conceptual Model for the Philippines. University Microfilms, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.