APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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