Dyfyniad APA

Crawford, H. E. W. (2004). Sumer and the Sumerians (2nd ed.). Cambridge University Press.

Dyfyniad Arddull Chicago

Crawford, Harriet E. W. Sumer and the Sumerians. 2nd ed. Cambridge, UK ; New York: Cambridge University Press, 2004.

Dyfyniad MLA

Crawford, Harriet E. W. Sumer and the Sumerians. 2nd ed. Cambridge University Press, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.