Dyfyniad APA

Jones, J. B. (2001). Labratory guide for conducting soil tests and: Plant analysis. CRC Pr..

Dyfyniad Arddull Chicago

Jones, J. Benton. Labratory Guide for Conducting Soil Tests and: Plant Analysis. Boca Raton: CRC Pr., 2001.

Dyfyniad MLA

Jones, J. Benton. Labratory Guide for Conducting Soil Tests and: Plant Analysis. CRC Pr., 2001.

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