Não informado. (1974). Belmontia: Miscellaneous publications in botany. Agricultural University, Department of Plant Taxonomy.
Čikaški stil citiranja (17. izdanje)Não informado. Belmontia: Miscellaneous Publications in Botany. Wageningen, Holanda: Agricultural University, Department of Plant Taxonomy, 1974.
MLA način citiranja (8. izdanje)Não informado. Belmontia: Miscellaneous Publications in Botany. Agricultural University, Department of Plant Taxonomy, 1974.
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