Dyfyniad APA

Adams, W. (1935). Studies in tolerance of New England forest trees. Free Pres Printing.

Dyfyniad Arddull Chicago

Adams, W.R. Studies in Tolerance of New England Forest Trees. Burlington: Free Pres Printing, 1935.

Dyfyniad MLA

Adams, W.R. Studies in Tolerance of New England Forest Trees. Free Pres Printing, 1935.

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