Graham, M., & Sharp, D. (1982). Village handpump technology: Research and evaluation in Asia. International Development Research Centre.
Citação norma ChicagoGraham, Michael, and Donald Sharp. Village Handpump Technology: Research and Evaluation in Asia. Ottawa, Canada: International Development Research Centre, 1982.
Citação norma MLAGraham, Michael, and Donald Sharp. Village Handpump Technology: Research and Evaluation in Asia. International Development Research Centre, 1982.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.