APA (7th ed.) Citation

(2017). Екологично инженерство и опазване на околната среда. National Society of Ecological Engineering and Environment Protection.

Chicago Style (17th ed.) Citation

Екологично инженерство и опазване на околната среда. National Society of Ecological Engineering and Environment Protection, 2017.

MLA (8th ed.) Citation

Екологично инженерство и опазване на околната среда. National Society of Ecological Engineering and Environment Protection, 2017.

Warning: These citations may not always be 100% accurate.