Abbott, L. K. (2003). Soil biological fertility: A key to sustainable land use in agriculture. Boston: Kluwer Academic Publishers.
استشهاد بنمط شيكاغوAbbott, Lynette K. Soil Biological Fertility: A Key to Sustainable Land Use in Agriculture. Boston: Kluwer Academic Publishers, 2003.
MLA استشهادAbbott, Lynette K. Soil Biological Fertility: A Key to Sustainable Land Use in Agriculture. Boston: Kluwer Academic Publishers, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.