Castro, A., Henríquez, C., & Bertsch, F. (2008). Nitrogen, phosphorus and potassium supply capacity in four organic amendments.
Chicago Stili AlıntıCastro, Andrina, Carlos Henríquez, ve Floria Bertsch. Nitrogen, Phosphorus and Potassium Supply Capacity in Four Organic Amendments. 2008.
MLA AlıntıCastro, Andrina, Carlos Henríquez, ve Floria Bertsch. Nitrogen, Phosphorus and Potassium Supply Capacity in Four Organic Amendments. 2008.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..