Rondinelli, D. A. (1980). Spatial analysis for regional development: A case study in the Bicol River Basin of the Philippines. United Nations University.
Lua i Stíl Chicago (17ú heag.)Rondinelli, Dennis A. Spatial Analysis for Regional Development: A Case Study in the Bicol River Basin of the Philippines. Tokyo: United Nations University, 1980.
Lua MLA (8ú heag.)Rondinelli, Dennis A. Spatial Analysis for Regional Development: A Case Study in the Bicol River Basin of the Philippines. United Nations University, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.