Portugal, R. C. (1961). Politics - pastime or serious business. Philippine Journal of Public Administration.
Čikaški stil citiranja (17. izdanje)Portugal, Ramon C. "Politics - Pastime or Serious Business." Philippine Journal of Public Administration 1961.
MLA način citiranja (9. izdanje)Portugal, Ramon C. "Politics - Pastime or Serious Business." Philippine Journal of Public Administration, 1961.
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