Dyfyniad APA

Stokes, M. A., & Smiley, T. L. (1968). An introduction to tree-ring dating. University of Chicago Press.

Dyfyniad Arddull Chicago

Stokes, Marvin A., and Terah L. Smiley. An Introduction to Tree-ring Dating. Chicago: University of Chicago Press, 1968.

Dyfyniad MLA

Stokes, Marvin A., and Terah L. Smiley. An Introduction to Tree-ring Dating. University of Chicago Press, 1968.

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