International Botanical. (1961). Congress. 9th., Montreal, 1959 International code of botanical nomenclature adopted by the 9th. International Botanical Congress, Montreal, August 1959. s.e..
Style de citation Chicago (17e éd.)International Botanical. Congress. 9th., Montreal, 1959 International Code of Botanical Nomenclature Adopted by the 9th. International Botanical Congress, Montreal, August 1959. Uthecht: s.e., 1961.
Style de citation MLA (9e éd.)International Botanical. Congress. 9th., Montreal, 1959 International Code of Botanical Nomenclature Adopted by the 9th. International Botanical Congress, Montreal, August 1959. s.e., 1961.
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