Dyfyniad APA

(1994). Crop production and crop protechtion: Estimated losses in major food and cash crops. Amsterdam: Elsevier Science.

Dyfyniad Arddull Chicago

Crop Production and Crop Protechtion: Estimated Losses in Major Food and Cash Crops. Amsterdam: Elsevier Science, 1994.

Dyfyniad MLA

Crop Production and Crop Protechtion: Estimated Losses in Major Food and Cash Crops. Amsterdam: Elsevier Science, 1994.

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