University of the Philippines Institute For Small-Scale Industries. [Industry profile: Sotanghon].
Čikaški stil citiranja (17. izdanje)University of the Philippines Institute For Small-Scale Industries. [Industry Profile: Sotanghon]. UP ISSI.
MLA način citiranja (9. izdanje)University of the Philippines Institute For Small-Scale Industries. [Industry Profile: Sotanghon].
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