Cita APA (7a ed.)

Não informado. (2008). Communications of the Department of Chemistry. Bulgarian Academy of Sciences.

Cita Chicago Style (17a ed.)

Não informado. Communications of the Department of Chemistry. Sofia: Bulgarian Academy of Sciences, 2008.

Cita MLA (8a ed.)

Não informado. Communications of the Department of Chemistry. Bulgarian Academy of Sciences, 2008.

Precaución: Estas citas no son 100% exactas.