Jeffrey, R. N., & Griffith, R. B. (1947). Changes in the Chlorophyll and Carotene Contents of Curing Burley Tobacco Cut at Different Stages of Maturity.
Παραπομπή Chicago StyleJeffrey, R. N., και R. B. Griffith. Changes in the Chlorophyll and Carotene Contents of Curing Burley Tobacco Cut At Different Stages of Maturity. 1947.
Παραπομπή MLAJeffrey, R. N., και R. B. Griffith. Changes in the Chlorophyll and Carotene Contents of Curing Burley Tobacco Cut At Different Stages of Maturity. 1947.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.