Robbins, S. R. J. (1982). Selected markets for the essential oils of patchouli and vetiver. Tropical Products Institute.
Lua i Stíl Chicago (17ú heag.)Robbins, S. R. J. Selected Markets for the Essential Oils of Patchouli and Vetiver. London: Tropical Products Institute, 1982.
Lua MLA (8ú heag.)Robbins, S. R. J. Selected Markets for the Essential Oils of Patchouli and Vetiver. Tropical Products Institute, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.