APA
Kotagama H., Wijesundara D. & Wijesekara G. (2000). ASDA 2000 proceedings of the annual symposium of the department of agriculture Sri Lanka: new horizons in agriculture, rice and other food crops. Peradeniya: Department of Agriculture.
Chicago
Kotagama H.B, Wijesundara D.S.A and Wijesekara G.A.W. 2000. ASDA 2000 proceedings of the annual symposium of the department of agriculture Sri Lanka: new horizons in agriculture, rice and other food crops. Peradeniya: Department of Agriculture.
Harvard
Kotagama H., Wijesundara D. and Wijesekara G. (2000). ASDA 2000 proceedings of the annual symposium of the department of agriculture Sri Lanka: new horizons in agriculture, rice and other food crops. Peradeniya: Department of Agriculture.
MLA
Kotagama H.B, Wijesundara D.S.A and Wijesekara G.A.W. ASDA 2000 proceedings of the annual symposium of the department of agriculture Sri Lanka: new horizons in agriculture, rice and other food crops. Peradeniya: Department of Agriculture. 2000.