Ardales, V. B. (1989). Coverage and extent of PHN activities in Western Visayas. Center for Integrative and Development Studies, University of the Philippines.
Čikaški stil citiranja (17. izdanje)Ardales, Venancio B. Coverage and Extent of PHN Activities in Western Visayas. Quezon City: Center for Integrative and Development Studies, University of the Philippines, 1989.
MLA način citiranja (9. izdanje)Ardales, Venancio B. Coverage and Extent of PHN Activities in Western Visayas. Center for Integrative and Development Studies, University of the Philippines, 1989.
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