Não informado. (1995). Phytologia Balcanica. Bulgarian Academy of Science, Institute of Biodiversity and Ecosystem Research.
Lua i Stíl Chicago (17ú heag.)Não informado. Phytologia Balcanica. Sofia: Bulgarian Academy of Science, Institute of Biodiversity and Ecosystem Research, 1995.
Lua MLA (8ú heag.)Não informado. Phytologia Balcanica. Bulgarian Academy of Science, Institute of Biodiversity and Ecosystem Research, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.