Portugal, R. C. (1961). Politics - pastime or serious business. Philippine Journal of Public Administration.
Cita Chicago Style (17a ed.)Portugal, Ramon C. "Politics - Pastime or Serious Business." Philippine Journal of Public Administration 1961.
Cita MLA (9a ed.)Portugal, Ramon C. "Politics - Pastime or Serious Business." Philippine Journal of Public Administration, 1961.
Precaución: Estas citas no son 100% exactas.