APA stil citiranja

(2019). The European environment - state and outlook 2020: The European environment - state and outlook 2020 : knowledge for transition to a sustainable Europe. Luxembourg: Publications Office of the European Union.

Chicago stil citiranja

The European environment - state and outlook 2020: The European environment - state and outlook 2020 : knowledge for transition to a sustainable Europe. Luxembourg: Publications Office of the European Union, 2019.

MLA stil citiranja

The European environment - state and outlook 2020: The European environment - state and outlook 2020 : knowledge for transition to a sustainable Europe. Luxembourg: Publications Office of the European Union, 2019.