Hubchen, J. M. (1990). Popular participation and farming systems research and extension: Examining the Central Visayas Regional Project 1 in Bohol, Philippines. UMI Dissertation Services.
Citazione stile Chigago Style (17a edizione)Hubchen, Jonathan Manning. Popular Participation and Farming Systems Research and Extension: Examining the Central Visayas Regional Project 1 in Bohol, Philippines. Ann Arbor, Mich: UMI Dissertation Services, 1990.
Citatione MLA (9a ed.)Hubchen, Jonathan Manning. Popular Participation and Farming Systems Research and Extension: Examining the Central Visayas Regional Project 1 in Bohol, Philippines. UMI Dissertation Services, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.