Dyfyniad APA

Hillel, D. (2007). Soil in the environment: Crucible of terrestrial life. Burlington, MA: Elsevier.

Dyfyniad Arddull Chicago

Hillel, Daniel. Soil in the Environment: Crucible of Terrestrial Life. Burlington, MA: Elsevier, 2007.

Dyfyniad MLA

Hillel, Daniel. Soil in the Environment: Crucible of Terrestrial Life. Burlington, MA: Elsevier, 2007.

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