APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

SÖNMEZ, Elif, en Zekeriya YERLİKAYA. A Study of Environmental Knowledge and Attitudes of Secondary Students in Terms of Different Kinds of Schools. Adem Yavuz Sonmez, 2017.

MLA (9e ed.) Bronvermelding

SÖNMEZ, Elif, en Zekeriya YERLİKAYA. A Study of Environmental Knowledge and Attitudes of Secondary Students in Terms of Different Kinds of Schools. Adem Yavuz Sonmez, 2017.