Dyfyniad APA

Robbins, S. R. J. (1982). Selected markets for the essential oils of patchouli and vetiver. Tropical Products Institute.

Dyfyniad Arddull Chicago

Robbins, S. R. J. Selected Markets for the Essential Oils of Patchouli and Vetiver. London: Tropical Products Institute, 1982.

Dyfyniad MLA

Robbins, S. R. J. Selected Markets for the Essential Oils of Patchouli and Vetiver. Tropical Products Institute, 1982.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.