Dyfyniad APA

Aveni, A. F. (2009). The end of time: The Maya mystery of 2012. University Press of Colorado.

Dyfyniad Arddull Chicago

Aveni, Anthony F. The End of Time: The Maya Mystery of 2012. Boulder, Colo.: University Press of Colorado, 2009.

Dyfyniad MLA

Aveni, Anthony F. The End of Time: The Maya Mystery of 2012. University Press of Colorado, 2009.

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