Dewey, K. F., & Heim, R. (1983). Satellite observations of variations in Southern Hemisphere snow cover. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Earth Satellite, Data, and Information Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Dewey, Kenneth F., و Richard Heim. Satellite Observations of Variations in Southern Hemisphere Snow Cover. Washington, D.C.: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Earth Satellite, Data, and Information Service, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Dewey, Kenneth F., و Richard Heim. Satellite Observations of Variations in Southern Hemisphere Snow Cover. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Earth Satellite, Data, and Information Service, 1983.