Schmandt-Besserat, D., & Hallo, W. W. (1992). Before writing: From counting to cuneiform (First edition.). University of Texas Press.
Cita Chicago (17th ed.)Schmandt-Besserat, Denise, i William W. Hallo. Before Writing: From Counting to Cuneiform. First edition. Austin: University of Texas Press, 1992.
Cita MLA (9th ed.)Schmandt-Besserat, Denise, i William W. Hallo. Before Writing: From Counting to Cuneiform. First edition. University of Texas Press, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.