Não informado. (1995). Phytologia Balcanica. Bulgarian Academy of Science, Institute of Biodiversity and Ecosystem Research.
Style de citation Chicago (17e éd.)Não informado. Phytologia Balcanica. Sofia: Bulgarian Academy of Science, Institute of Biodiversity and Ecosystem Research, 1995.
Style de citation MLA (8e éd.)Não informado. Phytologia Balcanica. Bulgarian Academy of Science, Institute of Biodiversity and Ecosystem Research, 1995.
Attention : ces citations peuvent ne pas être correctes à 100%.