Cita APA (7th ed.)
Nissen-Petersen, E. (1982). Rain catchment and water supply in rural Africa: A manual (ed.). Hodder and Stoughton.
Cita Chicago (17th ed.)
Nissen-Petersen, Erik. Rain Catchment and Water Supply in Rural Africa: A Manual. ed. London: Hodder and Stoughton, 1982.
Cita MLA (9th ed.)
Nissen-Petersen, Erik. Rain Catchment and Water Supply in Rural Africa: A Manual. ed. Hodder and Stoughton, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.