APA
(1990). Program report for 1989. Los Banos, Laguna: International Rice Research Institute.
Chicago
1990. Program report for 1989. Los Banos, Laguna: International Rice Research Institute.
Harvard
(1990). Program report for 1989. Los Banos, Laguna: International Rice Research Institute.
MLA
Program report for 1989. Los Banos, Laguna: International Rice Research Institute. 1990.