Cita APA (7a ed.)
Drechsel, P., & Gyiele, L. (1999). The economic assessment of soil nutrient depletion: Analytical issues for framework development. IBSRAM.
Cita Chicago Style (17a ed.)
Drechsel, Pay, y L.A Gyiele. The Economic Assessment of Soil Nutrient Depletion: Analytical Issues for Framework Development. IBSRAM, 1999.
Cita MLA (9a ed.)
Drechsel, Pay, y L.A Gyiele. The Economic Assessment of Soil Nutrient Depletion: Analytical Issues for Framework Development. IBSRAM, 1999.
Precaución: Estas citas no son 100% exactas.