APA

Meeting of the International Network on Soil Fertility and Fertilizer Evaluation for Rice, . (1987). Efficiency of nitrogen fertilizers for rice (actas). Los Baños, Laguna: International Rice Research Institute.

Chicago

Meeting of the International Network on Soil Fertility and Fertilizer Evaluation for Rice, . 1987. Efficiency of nitrogen fertilizers for rice (actas). Los Baños, Laguna: International Rice Research Institute.

Harvard

Meeting of the International Network on Soil Fertility and Fertilizer Evaluation for Rice, . (1987). Efficiency of nitrogen fertilizers for rice (actas). Los Baños, Laguna: International Rice Research Institute.

MLA

Meeting of the International Network on Soil Fertility and Fertilizer Evaluation for Rice, . Efficiency of nitrogen fertilizers for rice (actas). Los Baños, Laguna: International Rice Research Institute. 1987.