Não informado. (1957). Belmontia: Miscellaneous publications in botany. Agricultural University, Laboratory of Plant Taxonomy and Geography.
Citace podle Chicago (17th ed.)Não informado. Belmontia: Miscellaneous Publications in Botany. Wageningen, Holanda: Agricultural University, Laboratory of Plant Taxonomy and Geography, 1957.
Citace podle MLA (8th ed.)Não informado. Belmontia: Miscellaneous Publications in Botany. Agricultural University, Laboratory of Plant Taxonomy and Geography, 1957.
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