APA
(1980). Rice symposium 80: proceedings of a symposium on research, extension, education, training and seed production of rice in Sri Lanka. Peradeniya: Department of Agriculture.
Chicago
1980. Rice symposium 80: proceedings of a symposium on research, extension, education, training and seed production of rice in Sri Lanka. Peradeniya: Department of Agriculture.
Harvard
(1980). Rice symposium 80: proceedings of a symposium on research, extension, education, training and seed production of rice in Sri Lanka. Peradeniya: Department of Agriculture.
MLA
Rice symposium 80: proceedings of a symposium on research, extension, education, training and seed production of rice in Sri Lanka. Peradeniya: Department of Agriculture. 1980.
