Schwartz, G. M. (2010). Early Non-Cuneiform Writing? Third-Millennium BC Clay Cylinders from Umm el-Marra. Fs Foster, 375-395.
Chicago-Zitierstil (17. Ausg.)Schwartz, Glenn M. "Early Non-Cuneiform Writing? Third-Millennium BC Clay Cylinders from Umm El-Marra." Fs Foster 2010: 375-395.
MLA-Zitierstil (8. Ausg.)Schwartz, Glenn M. "Early Non-Cuneiform Writing? Third-Millennium BC Clay Cylinders from Umm El-Marra." Fs Foster, 2010, pp. 375-395.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.