Dyfyniad APA

Moorehead, W. K., & Leighton, M. M. (1923). The Cahokia mounds. University of Illinois.

Dyfyniad Arddull Chicago

Moorehead, Warren King, and Morris Morgan Leighton. The Cahokia Mounds. Urbana, Ill.: University of Illinois, 1923.

Dyfyniad MLA

Moorehead, Warren King, and Morris Morgan Leighton. The Cahokia Mounds. University of Illinois, 1923.

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