Dyfyniad APA

(1981). HORTICULTURAL ABSTRACTS. COMMENWEALTH BUREAU OF PASTURES AND FIELD CROPS.

Dyfyniad Arddull Chicago

HORTICULTURAL ABSTRACTS. U: COMMENWEALTH BUREAU OF PASTURES AND FIELD CROPS, 1981.

Dyfyniad MLA

HORTICULTURAL ABSTRACTS. COMMENWEALTH BUREAU OF PASTURES AND FIELD CROPS, 1981.

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