Não informado. (1881). Tropical agriculturist. Ceylon Agricultural Society, Department of Agriculture.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Tropical Agriculturist. Peradeniya, Sri Lanka: Ceylon Agricultural Society, Department of Agriculture, 1881.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Tropical Agriculturist. Ceylon Agricultural Society, Department of Agriculture, 1881.
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