Dyfyniad APA

Robertson, G. W. (1983). Weather-based mathematical models for estimating development and ripening of crops. Secretariat of the World Meteorological Organization.

Dyfyniad Arddull Chicago

Robertson, George W. Weather-based Mathematical Models for Estimating Development and Ripening of Crops. Geneva, Switzerland: Secretariat of the World Meteorological Organization, 1983.

Dyfyniad MLA

Robertson, George W. Weather-based Mathematical Models for Estimating Development and Ripening of Crops. Secretariat of the World Meteorological Organization, 1983.

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