Portugal, R. C. (1961). Politics - pastime or serious business. Philippine Journal of Public Administration.
Citazione stile Chigago Style (17a edizione)Portugal, Ramon C. "Politics - Pastime or Serious Business." Philippine Journal of Public Administration 1961.
Citatione MLA (9a ed.)Portugal, Ramon C. "Politics - Pastime or Serious Business." Philippine Journal of Public Administration, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.