Hansen, G. (1895). The orchid hybrids: Enumeration and classification of all hybrids of orchids published up to October 15, 1895. Dulau.
Citace podle Chicago (17th ed.)Hansen, Geo. The Orchid Hybrids: Enumeration and Classification of All Hybrids of Orchids Published Up to October 15, 1895. London: Dulau, 1895.
Citace podle MLA (8th ed.)Hansen, Geo. The Orchid Hybrids: Enumeration and Classification of All Hybrids of Orchids Published Up to October 15, 1895. Dulau, 1895.
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