Não informado. (1956). Index to plant chromosome numbers. International Bureau for Plant Taxonomy and Nomenclature.
Chicago-Zitierstil (17. Ausg.)Não informado. Index to Plant Chromosome Numbers. Utrecht, Holanda: International Bureau for Plant Taxonomy and Nomenclature, 1956.
MLA-Zitierstil (8. Ausg.)Não informado. Index to Plant Chromosome Numbers. International Bureau for Plant Taxonomy and Nomenclature, 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.