Johan Heinrich von Thunen - Institut, Bundesministerium fur Ernahrung, Landwirtschaft und Verbraucherschutz, Landbauforschung vTI Agriculture and Forestry Research, Frydl, J., Novotny, P., Fennessy, J., & Wuhlisch, G. (2011). COST Action E 52 Genetic resources of beech in Europe - current state: Sonderheft No 350.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Johan Heinrich von Thunen - Institut, Landwirtschaft und Verbraucherschutz Bundesministerium fur Ernahrung, Landbauforschung vTI Agriculture and Forestry Research, Josef Frydl, Petr Novotny, John Fennessy, và Georg Wuhlisch. COST Action E 52 Genetic Resources of Beech in Europe - Current State: Sonderheft No 350. 2011.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Johan Heinrich von Thunen - Institut, et al. COST Action E 52 Genetic Resources of Beech in Europe - Current State: Sonderheft No 350. 2011.