APA
kariya k., Peris.R, Wasala W., Fathima M. & Wanigasuriya S. (1990). studies on the factors controlling yield stability of early maturing rice varieties of sri lanka. central agricultural research institute, department of agriculture, peradeniya: department of agriculture.
Chicago
kariya k(ed), Peris.R, Wasala W.MD, Fathima M and Wanigasuriya S.G. 1990. studies on the factors controlling yield stability of early maturing rice varieties of sri lanka. central agricultural research institute, department of agriculture, peradeniya: department of agriculture.
Harvard
kariya k., Peris.R, Wasala W., Fathima M. and Wanigasuriya S. (1990). studies on the factors controlling yield stability of early maturing rice varieties of sri lanka. central agricultural research institute, department of agriculture, peradeniya: department of agriculture.
MLA
kariya k(ed), Peris.R, Wasala W.MD, Fathima M and Wanigasuriya S.G. studies on the factors controlling yield stability of early maturing rice varieties of sri lanka. central agricultural research institute, department of agriculture, peradeniya: department of agriculture. 1990.