Dyfyniad APA

RUSSELL,G.E. (1978). PLANT BREEDING FOR PEST AND DISEASE RESISTANCE. BUTTER WORTH.

Dyfyniad Arddull Chicago

RUSSELL,G.E. PLANT BREEDING FOR PEST AND DISEASE RESISTANCE. LONDON: BUTTER WORTH, 1978.

Dyfyniad MLA

RUSSELL,G.E. PLANT BREEDING FOR PEST AND DISEASE RESISTANCE. BUTTER WORTH, 1978.

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