APA

,, . (1986). Extortions under terrorist threats. Strasbourg: Council of Eropean.

Chicago

,, . 1986. Extortions under terrorist threats. Strasbourg: Council of Eropean.

Harvard

,, . (1986). Extortions under terrorist threats. Strasbourg: Council of Eropean.

MLA

,, . Extortions under terrorist threats. Strasbourg: Council of Eropean. 1986.