Vidallon, L. C. (1965). Systems theory in research: Pork barrel cases. Philippine Journal of Public Administration.
Citazione stile Chigago Style (17a edizione)Vidallon, Ledivina C. "Systems Theory in Research: Pork Barrel Cases." Philippine Journal of Public Administration 1965.
Citatione MLA (9a ed.)Vidallon, Ledivina C. "Systems Theory in Research: Pork Barrel Cases." Philippine Journal of Public Administration, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.