Não informado. (1881). Tropical agriculturist. Ceylon Agricultural Society, Department of Agriculture.
Cita Chicago Style (17a ed.)Não informado. Tropical Agriculturist. Peradeniya, Sri Lanka: Ceylon Agricultural Society, Department of Agriculture, 1881.
Cita MLA (8a ed.)Não informado. Tropical Agriculturist. Ceylon Agricultural Society, Department of Agriculture, 1881.
Precaución: Estas citas no son 100% exactas.