Dyfyniad APA

(1982). International symposium on distribution characteristics and utilization of problem soils. Japan: Tropical Agriculture Research Center.

Dyfyniad Arddull Chicago

International Symposium On Distribution Characteristics and Utilization of Problem Soils. Japan: Tropical Agriculture Research Center, 1982.

Dyfyniad MLA

International Symposium On Distribution Characteristics and Utilization of Problem Soils. Japan: Tropical Agriculture Research Center, 1982.

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