APA stil citiranja

(2017). Ecology, economics, education and legislation: Ecology, economics, education and legislation. Sofia: STEF92 Technology.

Chicago stil citiranja

Ecology, economics, education and legislation: Ecology, economics, education and legislation. Sofia: STEF92 Technology, 2017.

MLA stil citiranja

Ecology, economics, education and legislation: Ecology, economics, education and legislation. Sofia: STEF92 Technology, 2017.

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