Abarientos, E., & Revilla, A. V. (1980). Selection and description of study sites and data requirements for impact analysis of the Integrated Agricultural Production and Marketing Project (IAPMP). Philippine Center for Economic Development.
Cita Chicago (17th ed.)Abarientos, E.P, i A. V. Revilla. Selection and Description of Study Sites and Data Requirements for Impact Analysis of the Integrated Agricultural Production and Marketing Project (IAPMP). Quezon City: Philippine Center for Economic Development, 1980.
Cita MLA (9th ed.)Abarientos, E.P, i A. V. Revilla. Selection and Description of Study Sites and Data Requirements for Impact Analysis of the Integrated Agricultural Production and Marketing Project (IAPMP). Philippine Center for Economic Development, 1980.