International Symposium on Essential Oils & Brunke, E.. (1986). Progress in essential oil research: Proceedings of the International Symposium on Essential Oil : Holzminden/Neuhaus, Federal Republic of Germany : september 18-21, 1985. Walter de Gruyter.
Cita Chicago Style (17a ed.)International Symposium on Essential Oils y Ernst-Joachim Brunke. Progress in Essential Oil Research: Proceedings of the International Symposium on Essential Oil : Holzminden/Neuhaus, Federal Republic of Germany : September 18-21, 1985. Berlin [etc.]: Walter de Gruyter, 1986.
Cita MLA (9a ed.)International Symposium on Essential Oils y Ernst-Joachim Brunke. Progress in Essential Oil Research: Proceedings of the International Symposium on Essential Oil : Holzminden/Neuhaus, Federal Republic of Germany : September 18-21, 1985. Walter de Gruyter, 1986.
