Não informado. (2008). Communications of the Department of Chemistry. Bulgarian Academy of Sciences.
Style de citation Chicago (17e éd.)Não informado. Communications of the Department of Chemistry. Sofia: Bulgarian Academy of Sciences, 2008.
Style de citation MLA (8e éd.)Não informado. Communications of the Department of Chemistry. Bulgarian Academy of Sciences, 2008.
Attention : ces citations peuvent ne pas être correctes à 100%.