Oxfam, London School of Hygiene and Tropical Medicine. Ross Institute of Tropical Hygiene, & Pacey, A. (1980). Rural sanitation: Planning and appraisal :an Oxfam document. Intermediate Tecnology Publication.
Cita Chicago (17th ed.)Oxfam, London School of Hygiene and Tropical Medicine. Ross Institute of Tropical Hygiene, i Arnold Pacey. Rural Sanitation: Planning and Appraisal :an Oxfam Document. London: Intermediate Tecnology Publication, 1980.
Cita MLA (8th ed.)Oxfam, et al. Rural Sanitation: Planning and Appraisal :an Oxfam Document. Intermediate Tecnology Publication, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.