Dyfyniad APA

Walker, M. (2005). Quaternary dating methods. John Wiley.

Dyfyniad Arddull Chicago

Walker, Mike. Quaternary Dating Methods. England: John Wiley, 2005.

Dyfyniad MLA

Walker, Mike. Quaternary Dating Methods. John Wiley, 2005.

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