Schmidt, C. W. (2010). Cold Hard Cache: The Arctic Drilling Controversy. National Institute of Environmental Health Sciences.
استشهاد بنمط شيكاغوSchmidt, Charles W. Cold Hard Cache: The Arctic Drilling Controversy. National Institute of Environmental Health Sciences, 2010.
MLA استشهادSchmidt, Charles W. Cold Hard Cache: The Arctic Drilling Controversy. National Institute of Environmental Health Sciences, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.