Dyfyniad APA

Hodgson, J. M. (1978). Soil sampling and soil description. Clarendon Press ; Oxford University Press.

Dyfyniad Arddull Chicago

Hodgson, John Michael. Soil Sampling and Soil Description. Oxford : New York: Clarendon Press ; Oxford University Press, 1978.

Dyfyniad MLA

Hodgson, John Michael. Soil Sampling and Soil Description. Clarendon Press ; Oxford University Press, 1978.

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