Cita APA (7a ed.)

Sharp, D., & Graham, M. (1982). Village handpump technology: Research and evaluation in Asia. IDRC.

Cita Chicago Style (17a ed.)

Sharp, D., y M. Graham. Village Handpump Technology: Research and Evaluation in Asia. Ottawa: IDRC, 1982.

Cita MLA (8a ed.)

Sharp, D., y M. Graham. Village Handpump Technology: Research and Evaluation in Asia. IDRC, 1982.