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Dyfyniad Arddull ChicagoPortugal, Ramon C. "Politics - Pastime or Serious Business." Philippine Journal of Public Administration 1961.
Dyfyniad MLAPortugal, Ramon C. "Politics - Pastime or Serious Business." Philippine Journal of Public Administration, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.