SÖNMEZ, E., & YERLİKAYA, Z. (2017). A Study of Environmental Knowledge and Attitudes of Secondary Students in terms of Different Kinds of Schools. Adem Yavuz Sonmez.
Chicago-viite (17. p.)SÖNMEZ, Elif, ja Zekeriya YERLİKAYA. A Study of Environmental Knowledge and Attitudes of Secondary Students in Terms of Different Kinds of Schools. Adem Yavuz Sonmez, 2017.
MLA-viite (9. p.)SÖNMEZ, Elif, ja Zekeriya YERLİKAYA. A Study of Environmental Knowledge and Attitudes of Secondary Students in Terms of Different Kinds of Schools. Adem Yavuz Sonmez, 2017.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.