Παραπομπή σε μορφή APA (7η εκδ.)

Duldulao, A. C. (1977). An evaluation of extension coordination in and among forestry agencies in the Philippines [microform]. Photoduplication Service. University of the Philippines Library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Duldulao, Anacleto C. An Evaluation of Extension Coordination in and Among Forestry Agencies in the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

Duldulao, Anacleto C. An Evaluation of Extension Coordination in and Among Forestry Agencies in the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.