Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1912). Bulletin of the Department of Agriculture, Ceylon. Department of Agriculture.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Bulletin of the Department of Agriculture, Ceylon. Colombo: Department of Agriculture, 1912.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Bulletin of the Department of Agriculture, Ceylon. Department of Agriculture, 1912.

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