Dyfyniad APA

Bil, F. (1992). It's all in the water acid sulphate soils in Vietnam. Wageningen: Wageningen Agricultural Univ.

Dyfyniad Arddull Chicago

Bil, Fritz. It's All in the Water Acid Sulphate Soils in Vietnam. Wageningen: Wageningen Agricultural Univ, 1992.

Dyfyniad MLA

Bil, Fritz. It's All in the Water Acid Sulphate Soils in Vietnam. Wageningen: Wageningen Agricultural Univ, 1992.

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