Richter, W. 1., Launert, E., Hunt, P. F., & Preusse, H. (1972). Orchid care: A guide to cultivation and breeding. New York: Macmillian Company.
Citación estilo ChicagoRichter, Walter 1904-1997, Edmund Launert, Peter Francis Hunt, y Hans Preusse. Orchid Care: A Guide to Cultivation and Breeding. New York: Macmillian Company, 1972.
Cita MLARichter, Walter 1904-1997, Edmund Launert, Peter Francis Hunt, y Hans Preusse. Orchid Care: A Guide to Cultivation and Breeding. New York: Macmillian Company, 1972.
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