Dyfyniad APA

Hendrickson, A. H., & Veihmeyer, F. J. (1950). GROWTH OF WALNUT TREES AS AFFECTED BY IRRIGATION AND NITROGEN DEFICIENCY.

Dyfyniad Arddull Chicago

Hendrickson, A. H., and F. J. Veihmeyer. GROWTH OF WALNUT TREES AS AFFECTED BY IRRIGATION AND NITROGEN DEFICIENCY. 1950.

Dyfyniad MLA

Hendrickson, A. H., and F. J. Veihmeyer. GROWTH OF WALNUT TREES AS AFFECTED BY IRRIGATION AND NITROGEN DEFICIENCY. 1950.

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