Friberg, J. (1979). "The Early Roots of Babylonian Mathematics, II: Metrological Relations in a Group of Semi-Pictographic Tablets of the Jemdet Nasr Type, Probably from Uruk-Warka.".
Chicago-Zitierstil (17. Ausg.)Friberg, Jöran. "The Early Roots of Babylonian Mathematics, II: Metrological Relations in a Group of Semi-Pictographic Tablets of the Jemdet Nasr Type, Probably from Uruk-Warka.". Göteborg, Sweden, 1979.
MLA-Zitierstil (8. Ausg.)Friberg, Jöran. "The Early Roots of Babylonian Mathematics, II: Metrological Relations in a Group of Semi-Pictographic Tablets of the Jemdet Nasr Type, Probably from Uruk-Warka.". 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.