Dyfyniad APA

Chapman, H. D. (1975). Diagnostic criteria for plants and soils. Eurasia Publishing House.

Dyfyniad Arddull Chicago

Chapman, Homer D. Diagnostic Criteria for Plants and Soils. New Delhi: Eurasia Publishing House, 1975.

Dyfyniad MLA

Chapman, Homer D. Diagnostic Criteria for Plants and Soils. Eurasia Publishing House, 1975.

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