APA استشهاد

Blum, U. (2011). Plant-plant allelopathic interactions: Phenolic acids, cover crops and weed emergence. Springer Science+Business Media.

استشهاد بنمط شيكاغو

Blum, Udo. Plant-plant Allelopathic Interactions: Phenolic Acids, Cover Crops and Weed Emergence. New York: Springer Science+Business Media, 2011.

MLA استشهاد

Blum, Udo. Plant-plant Allelopathic Interactions: Phenolic Acids, Cover Crops and Weed Emergence. Springer Science+Business Media, 2011.