Robbins, S. R. J. (1982). Selected markets for the essential oils of patchouli and vetiver. Tropical Products Institute.
Citace podle Chicago (17th ed.)Robbins, S. R. J. Selected Markets for the Essential Oils of Patchouli and Vetiver. London: Tropical Products Institute, 1982.
Citace podle MLA (8th ed.)Robbins, S. R. J. Selected Markets for the Essential Oils of Patchouli and Vetiver. Tropical Products Institute, 1982.
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