Gunawardana, A. M. T. (1981). Water management under small village tanks. Agrarian Research & Training Institute.
Chicago Style (17th ed.) CitationGunawardana, A. M. T. Water Management Under Small Village Tanks. Colombo, Sri Lanka: Agrarian Research & Training Institute, 1981.
MLA引文Gunawardana, A. M. T. Water Management Under Small Village Tanks. Agrarian Research & Training Institute, 1981.
警告:這些引文格式不一定是100%准確.