Sibbald, B. (2001). Military's environmental medicine research pushes limits of human endurance.
استشهاد بنمط شيكاغوSibbald, Barbara. Military's Environmental Medicine Research Pushes Limits of Human Endurance. 2001.
MLA استشهادSibbald, Barbara. Military's Environmental Medicine Research Pushes Limits of Human Endurance. 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.