Vella, V., Duthie, G., Shandall, A., & Shute, K. (1990). Aortic aneurysms--who should do them? Royal College of Surgeons of England.
استشهاد بنمط شيكاغوVella, V., G. Duthie, A. Shandall, و K. Shute. Aortic Aneurysms--who Should Do Them? Royal College of Surgeons of England, 1990.
MLA استشهادVella, V., G. Duthie, A. Shandall, و K. Shute. Aortic Aneurysms--who Should Do Them? Royal College of Surgeons of England, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.