Dyfyniad APA

Ranney, W. M. (1978). Fertilizer additives and soil conditioners. Noyes Data Corporation.

Dyfyniad Arddull Chicago

Ranney, William M. Fertilizer Additives and Soil Conditioners. Park Ridge: Noyes Data Corporation, 1978.

Dyfyniad MLA

Ranney, William M. Fertilizer Additives and Soil Conditioners. Noyes Data Corporation, 1978.

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