APA (7. basım) Alıntı
Hüseyin Gökçekus, U. T. Survival and Sustainability: Environmental concerns in the 21st Century. Springer.
Chicago Style (17. basım) Atıf
Hüseyin Gökçekus, Umut Türker. Survival and Sustainability: Environmental Concerns in the 21st Century. Berlín, Alemania: Springer.
MLA (9th ed.) Atıf
Hüseyin Gökçekus, Umut Türker. Survival and Sustainability: Environmental Concerns in the 21st Century. Springer.
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