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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিJohan Heinrich von Thunen - Institut, Landwirtschaft und Verbraucherschutz Bundesministerium fur Ernahrung, Landbauforschung vTI Agriculture and Forestry Research, Josef Frydl, Petr Novotny, John Fennessy, এবং Georg Wuhlisch. COST Action E 52 Genetic Resources of Beech in Europe - Current State: Sonderheft No 350. 2011.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিJohan Heinrich von Thunen - Institut, et al. COST Action E 52 Genetic Resources of Beech in Europe - Current State: Sonderheft No 350. 2011.