Svantesson, S. (1976). Granulometric and petrographic studies of till in the Cambro-Silurian area of Gotland, Sweden, and studies of the ice recession in northern Gotland. Societas Upsaliensis pro Geologia Quaternaria.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Svantesson, Sven-Ingemund. Granulometric and Petrographic Studies of Till in the Cambro-Silurian Area of Gotland, Sweden, and Studies of the Ice Recession in Northern Gotland. Uppsala: Societas Upsaliensis pro Geologia Quaternaria, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Svantesson, Sven-Ingemund. Granulometric and Petrographic Studies of Till in the Cambro-Silurian Area of Gotland, Sweden, and Studies of the Ice Recession in Northern Gotland. Societas Upsaliensis pro Geologia Quaternaria, 1976.
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