Castro, A., Henríquez, C., & Bertsch, F. (2008). Nitrogen, phosphorus and potassium supply capacity in four organic amendments.
استشهاد بنمط شيكاغوCastro, Andrina, Carlos Henríquez, و Floria Bertsch. Nitrogen, Phosphorus and Potassium Supply Capacity in Four Organic Amendments. 2008.
MLA استشهادCastro, Andrina, Carlos Henríquez, و Floria Bertsch. Nitrogen, Phosphorus and Potassium Supply Capacity in Four Organic Amendments. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.