International Botanical Congress & Stafleu, F. A. (1978). International code of botanical nomenclature: Adopted by the Twelfth International Botanical Congress, Leningrad, July 1975. Bohn, Scheltema & Holkema.
Cita Chicago Style (17a ed.)International Botanical Congress y Frans A. Stafleu. International Code of Botanical Nomenclature: Adopted by the Twelfth International Botanical Congress, Leningrad, July 1975. Utrech: Bohn, Scheltema & Holkema, 1978.
Cita MLA (9a ed.)International Botanical Congress y Frans A. Stafleu. International Code of Botanical Nomenclature: Adopted by the Twelfth International Botanical Congress, Leningrad, July 1975. Bohn, Scheltema & Holkema, 1978.
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