APA

(1977). Constraints to high yields on asian rice farms. Estados Unidos de America: The international rice research Institute.

Chicago

1977. Constraints to high yields on asian rice farms. Estados Unidos de America: The international rice research Institute.

Harvard

(1977). Constraints to high yields on asian rice farms. Estados Unidos de America: The international rice research Institute.

MLA

Constraints to high yields on asian rice farms. Estados Unidos de America: The international rice research Institute. 1977.