Dyfyniad APA

Emerson, W., & Dexter, A. (1978). Modification of soil structure. John Wiley.

Dyfyniad Arddull Chicago

Emerson, W.W, and A.R Dexter. Modification of Soil Structure. Chichester: John Wiley, 1978.

Dyfyniad MLA

Emerson, W.W, and A.R Dexter. Modification of Soil Structure. John Wiley, 1978.

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