APA
Langford K. J., Malcolm D. M. & Forster C. L. (1999). Toward a financially sustainable irrigation system: Lessons. Washington: World Bank.
Chicago
Langford K John, Malcolm Duncan M and Forster Christine L. 1999. Toward a financially sustainable irrigation system: Lessons. Washington: World Bank.
Harvard
Langford K. J., Malcolm D. M. and Forster C. L. (1999). Toward a financially sustainable irrigation system: Lessons. Washington: World Bank.
MLA
Langford K John, Malcolm Duncan M and Forster Christine L. Toward a financially sustainable irrigation system: Lessons. Washington: World Bank. 1999.