Philippines. Bureau of Agricultural Economics. (1974). Planning for agricultural development: A review of literature [microform]. Photoduplication Service.
Παραπομπή σε μορφή Chicago (17η εκδ.)Philippines. Bureau of Agricultural Economics. Planning for Agricultural Development: A Review of Literature [microform]. Quezon City: Photoduplication Service, 1974.
Παραπομπή σε μορφή MLA (9th εκδ.)Philippines. Bureau of Agricultural Economics. Planning for Agricultural Development: A Review of Literature [microform]. Photoduplication Service, 1974.
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