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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)SÖNMEZ, Elif, و Zekeriya YERLİKAYA. A Study of Environmental Knowledge and Attitudes of Secondary Students in Terms of Different Kinds of Schools. Adem Yavuz Sonmez, 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)SÖNMEZ, Elif, و Zekeriya YERLİKAYA. A Study of Environmental Knowledge and Attitudes of Secondary Students in Terms of Different Kinds of Schools. Adem Yavuz Sonmez, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.