APA

,, . (1996). Seminar on the conservation of the European otter( Lutra Iutra). Strasbourg: Council of Europe.

Chicago

,, . 1996. Seminar on the conservation of the European otter( Lutra Iutra). Strasbourg: Council of Europe.

Harvard

,, . (1996). Seminar on the conservation of the European otter( Lutra Iutra). Strasbourg: Council of Europe.

MLA

,, . Seminar on the conservation of the European otter( Lutra Iutra). Strasbourg: Council of Europe. 1996.