Παραπομπή APA

Jacobson, L., & Oertli, J. J. (1956). The Relation between Iron and Chlorophyll Contents in Chlorotic Sunflower Leaves.

Παραπομπή Chicago Style

Jacobson, Louis, και J. J. Oertli. The Relation between Iron and Chlorophyll Contents in Chlorotic Sunflower Leaves. 1956.

Παραπομπή MLA

Jacobson, Louis, και J. J. Oertli. The Relation between Iron and Chlorophyll Contents in Chlorotic Sunflower Leaves. 1956.

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