APA استشهاد

Bircan, H. Y., Koc, B., Ozcelik, U., Adas, G., Karahan, S., & Demirag, A. (2014). Are there any differences between age groups regarding colorectal surgery in elderly patients? BioMed Central.

استشهاد بنمط شيكاغو

Bircan, Huseyin Yuce, Bora Koc, Umit Ozcelik, Gokhan Adas, Servet Karahan, و Alp Demirag. Are There Any Differences between Age Groups Regarding Colorectal Surgery in Elderly Patients? BioMed Central, 2014.

MLA استشهاد

Bircan, Huseyin Yuce, et al. Are There Any Differences between Age Groups Regarding Colorectal Surgery in Elderly Patients? BioMed Central, 2014.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.