Dyfyniad APA

William W Oliver. (1986). Growth of California Red Fir Advance Regeneration After overstory Removal and thinning. United States Department of Agriculture.

Dyfyniad Arddull Chicago

William W Oliver. Growth of California Red Fir Advance Regeneration After Overstory Removal and Thinning. United States Department of Agriculture, 1986.

Dyfyniad MLA

William W Oliver. Growth of California Red Fir Advance Regeneration After Overstory Removal and Thinning. United States Department of Agriculture, 1986.

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