APA-viite (7. p.)

Ardales, V. B. (1989). Coverage and extent of PHN activities in Western Visayas. Center for Integrative and Development Studies, University of the Philippines.

Chicago-viite (17. p.)

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-viite (9. p.)

Ardales, Venancio B. Coverage and Extent of PHN Activities in Western Visayas. Center for Integrative and Development Studies, University of the Philippines, 1989.