O'Toole, J. C., & Chang, T. T. (1978). Drought and rice improvement in perspective. International Rice Research Institute.
Chicago Style (17th ed.) CitationO'Toole, J. C., and T. T. Chang. Drought and Rice Improvement in Perspective. Manila: International Rice Research Institute, 1978.
MLA (9th ed.) CitationO'Toole, J. C., and T. T. Chang. Drought and Rice Improvement in Perspective. International Rice Research Institute, 1978.