Dyfyniad APA

Lea, P. J., & Morot-Gaudry, J. (2001). Plant nitrogen. Berlin ; New York: Springer.

Dyfyniad Arddull Chicago

Lea, Peter J., và Jean-Francois Morot-Gaudry. Plant Nitrogen. Berlin ; New York: Springer, 2001.

Dyfyniad MLA

Lea, Peter J., và Jean-Francois Morot-Gaudry. Plant Nitrogen. Berlin ; New York: Springer, 2001.

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