Não informado. (1995). Phytologia Balcanica. Bulgarian Academy of Science, Institute of Biodiversity and Ecosystem Research.
Chicagoスタイル(17版)引用形式Não informado. Phytologia Balcanica. Sofia: Bulgarian Academy of Science, Institute of Biodiversity and Ecosystem Research, 1995.
MLA(8版)引用形式Não informado. Phytologia Balcanica. Bulgarian Academy of Science, Institute of Biodiversity and Ecosystem Research, 1995.
警告: この引用は必ずしも正確ではありません.