Não informado. (1953). Ceylon forester. Ceylon Forester, Forest Department.
Style de citation Chicago (17e éd.)Não informado. Ceylon Forester. Colombo: Ceylon Forester, Forest Department, 1953.
Style de citation MLA (8e éd.)Não informado. Ceylon Forester. Ceylon Forester, Forest Department, 1953.
Attention : ces citations peuvent ne pas être correctes à 100%.