Cita APA (7a ed.)
Chaudhry, M., & Ali, M. (1989). Economic returns to operation and maintenance expenditure in different components of the irrigation system in Pakistan. Overseas Development Institute.
Cita Chicago Style (17a ed.)
Chaudhry, M.A, y M. Ali. Economic Returns to Operation and Maintenance Expenditure in Different Components of the Irrigation System in Pakistan. Overseas Development Institute, 1989.
Cita MLA (9a ed.)
Chaudhry, M.A, y M. Ali. Economic Returns to Operation and Maintenance Expenditure in Different Components of the Irrigation System in Pakistan. Overseas Development Institute, 1989.
Precaución: Estas citas no son 100% exactas.