Citazione Stile APA (7a Edizione)

Gunawardana, A. M. T. (1981). Water management under small village tanks. Agrarian Research & Training Institute.

Citazione stile Chigago Style (17a edizione)

Gunawardana, A. M. T. Water Management Under Small Village Tanks. Colombo, Sri Lanka: Agrarian Research & Training Institute, 1981.

Citatione MLA (9a ed.)

Gunawardana, A. M. T. Water Management Under Small Village Tanks. Agrarian Research & Training Institute, 1981.