Dyfyniad APA

Thorne, D. . .., & Petersion, H. . .. (1954). Irrigated soils: Their fertility and management (2.). The Blakiston Co..

Dyfyniad Arddull Chicago

Thorne, D.W ., and H.B Petersion. Irrigated Soils: Their Fertility and Management. 2. Toronto: The Blakiston Co., 1954.

Dyfyniad MLA

Thorne, D.W ., and H.B Petersion. Irrigated Soils: Their Fertility and Management. 2. The Blakiston Co., 1954.

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