Cita APA (7a ed.)
Seago, C., & Lange, M. d. (2003). The development of a treadle pump: Lessons from the South African experience.
Cita Chicago Style (17a ed.)
Seago, C., y M. de Lange. The Development of a Treadle Pump: Lessons from the South African Experience. 2003.
Cita MLA (9a ed.)
Seago, C., y M. de Lange. The Development of a Treadle Pump: Lessons from the South African Experience. 2003.
Precaución: Estas citas no son 100% exactas.