Não informado. (1912). Bulletin of the Department of Agriculture, Ceylon. Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Bulletin of the Department of Agriculture, Ceylon. Colombo: Department of Agriculture, 1912.
MLA(8版)引用形式Não informado. Bulletin of the Department of Agriculture, Ceylon. Department of Agriculture, 1912.
警告: この引用は必ずしも正確ではありません.