International Botanical Congress, 1. e. (1972). International Code of Botanical Nomenclature. A.Oosthoek's Uitgeversmaatschappij N.V.
Citazione stile Chigago Style (17a edizione)International Botanical Congress, 11th ed. International Code of Botanical Nomenclature. Utrecht, Netherlands: A.Oosthoek's Uitgeversmaatschappij N.V, 1972.
Citatione MLA (9a ed.)International Botanical Congress, 11th ed. International Code of Botanical Nomenclature. A.Oosthoek's Uitgeversmaatschappij N.V, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.