MORGAN, P. (1990). Rural water supplies and sanitation. Macmillan.
Cita Chicago (17th ed.)MORGAN, Peter. Rural Water Supplies and Sanitation. Macmillan, 1990.
Cita MLA (9th ed.)MORGAN, Peter. Rural Water Supplies and Sanitation. Macmillan, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.