APA ציטוט

Smith, J., & Umali, G. (1985). Production risk and optimal fertilizer rates: An application of the random coefficent model. International Rice Research Institute.

Chicago Style (17th ed.) Citation

Smith, J., and G. Umali. Production Risk and Optimal Fertilizer Rates: An Application of the Random Coefficent Model. Manila: International Rice Research Institute, 1985.

ציטוט MLA

Smith, J., and G. Umali. Production Risk and Optimal Fertilizer Rates: An Application of the Random Coefficent Model. International Rice Research Institute, 1985.