APA

,, . (1990). Nature museums : Tools for learning about, promoting and protecting the natural heritage of Europe. Strasbourg: Council of Europe.

Chicago

,, . 1990. Nature museums : Tools for learning about, promoting and protecting the natural heritage of Europe. Strasbourg: Council of Europe.

Harvard

,, . (1990). Nature museums : Tools for learning about, promoting and protecting the natural heritage of Europe. Strasbourg: Council of Europe.

MLA

,, . Nature museums : Tools for learning about, promoting and protecting the natural heritage of Europe. Strasbourg: Council of Europe. 1990.