APA

Gupta P. C., O Toole J. C., . (1986). Upland rice : a global perspective. Los Baños, Laguna: International Rice Research Institute.

Chicago

Gupta Phool C, O Toole John C, . 1986. Upland rice : a global perspective. Los Baños, Laguna: International Rice Research Institute.

Harvard

Gupta P. C., O Toole J. C., . (1986). Upland rice : a global perspective. Los Baños, Laguna: International Rice Research Institute.

MLA

Gupta Phool C, O Toole John C, . Upland rice : a global perspective. Los Baños, Laguna: International Rice Research Institute. 1986.