International Bureau for Plant Taxonomy and Nomenclature, Chaudhri, M. N., Vegter, I. H., Wal, C. M. d., & Stafleu, F. A. (1972). Index herbariorum: A guide to the location and contents of the world's public herbaria. Utrecht: Internat. Bureau for Plant Taxonomy and Nomenclature.
Styl ChicagoInternational Bureau for Plant Taxonomy and Nomenclature, M. N. Chaudhri, I. H. Vegter, C. M. de Wal, and Frans Antonie Stafleu. Index Herbariorum: A Guide to the Location and Contents of the World's Public Herbaria. Utrecht: Internat. Bureau for Plant Taxonomy and Nomenclature, 1972.
Citace podle MLAInternational Bureau for Plant Taxonomy and Nomenclature, et al. Index Herbariorum: A Guide to the Location and Contents of the World's Public Herbaria. Utrecht: Internat. Bureau for Plant Taxonomy and Nomenclature, 1972.