APA
Andrada A. C., Valle A. F., Paoloni P. & Gallez L.Pollen and nectar sources used by honeybee colonies pollinating sunflower (Helianthus annuus) in the Colorado river valley, Argentina. : .
Chicago
Andrada Ana C, Valle Alda F, Paoloni Pablo and Gallez Liliana.Pollen and nectar sources used by honeybee colonies pollinating sunflower (Helianthus annuus) in the Colorado river valley, Argentina. : .
Harvard
Andrada A. C., Valle A. F., Paoloni P. and Gallez L.Pollen and nectar sources used by honeybee colonies pollinating sunflower (Helianthus annuus) in the Colorado river valley, Argentina. : .
MLA
Andrada Ana C, Valle Alda F, Paoloni Pablo and Gallez Liliana.: . .