APA (7th ed.) Citation

Koukkari, H., Veljkovic, M., & Bragança, L. (2008). Survey on educational material on sustainable constructions.

Chicago Style (17th ed.) Citation

Koukkari, Heli, Milan Veljkovic, and L. Bragança. Survey on Educational Material on Sustainable Constructions. 2008.

MLA (8th ed.) Citation

Koukkari, Heli, et al. Survey on Educational Material on Sustainable Constructions. 2008.