Dyfyniad APA
Dent, D., Boincean, B. P., & Krupenikov, I. A. (2011). The Black Earth: Ecological Principles for Sustainable Agriculture on Chernozem Soils. Springer Netherlands. https://doi.org/10.1007/978-94-007-0159-5
Dyfyniad Arddull Chicago
Dent, David, Boris P. Boincean, and Igori Arcadie Krupenikov. The Black Earth: Ecological Principles for Sustainable Agriculture on Chernozem Soils. Dordrecht: Springer Netherlands, 2011. https://doi.org/10.1007/978-94-007-0159-5.
Dyfyniad MLA
Dent, David, et al. The Black Earth: Ecological Principles for Sustainable Agriculture on Chernozem Soils. Springer Netherlands, 2011. https://doi.org/10.1007/978-94-007-0159-5.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.