Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Eilittä, M., Mureithi, J., & Derpsch, R. (2004). Green Manure/Cover Crop Systems of Smallholder Farmers: Experiences from Tropical and Subtropical Regions. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Marjatta Eilittä, Joseph Mureithi, και Rolf Derpsch. Green Manure/Cover Crop Systems of Smallholder Farmers: Experiences from Tropical and Subtropical Regions. Dordrecht: Springer Netherlands, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Green Manure/Cover Crop Systems of Smallholder Farmers: Experiences from Tropical and Subtropical Regions. Springer Netherlands, 2004.