Blum, U. (2011). Plant-plant allelopathic interactions: Phenolic acids, cover crops and weed emergence. Springer.
Cita Chicago (17th ed.)Blum, Udo. Plant-plant Allelopathic Interactions: Phenolic Acids, Cover Crops and Weed Emergence. Dordrecht, New York: Springer, 2011.
Cita MLA (9th ed.)Blum, Udo. Plant-plant Allelopathic Interactions: Phenolic Acids, Cover Crops and Weed Emergence. Springer, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.