Villarono, L. C., Opelanio, C. T., Liaw, H. H. C., & Calvez, D. S. (1976). The volume of agricultural products moving over North Cotabato roads and trails. Special Studies Division Planning Service, Office of the Secretary, Department of Agriculture.
Chicago Style (17th ed.) CitationVillarono, L. C., C. T. Opelanio, H. H. C. Liaw, and D. S. Calvez. The Volume of Agricultural Products Moving over North Cotabato Roads and Trails. Quezon City: Special Studies Division Planning Service, Office of the Secretary, Department of Agriculture, 1976.
MLA (9th ed.) CitationVillarono, L. C., et al. The Volume of Agricultural Products Moving over North Cotabato Roads and Trails. Special Studies Division Planning Service, Office of the Secretary, Department of Agriculture, 1976.