Cita APA (7a ed.)
Laing, D. R. (1990). The use of agrochemical inputs in productive and sustainable tropical crop production systems of rice, common beans and maize. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Laing, Douglas R. The Use of Agrochemical Inputs in Productive and Sustainable Tropical Crop Production Systems of Rice, Common Beans and Maize. International Center for Tropical Agriculture, 1990.
Cita MLA (9a ed.)
Laing, Douglas R. The Use of Agrochemical Inputs in Productive and Sustainable Tropical Crop Production Systems of Rice, Common Beans and Maize. International Center for Tropical Agriculture, 1990.
Precaución: Estas citas no son 100% exactas.