APA引文

Singh,S.P, Gangwar,B, & Singh,M.P. (2010). Characterization and evaluation of existing farming systems of Uttar Pradesh. Project Directorate for Farming Systems Research.

Chicago Edition Citation

Singh,S.P, Gangwar,B, and Singh,M.P. Characterization and Evaluation of Existing Farming Systems of Uttar Pradesh. Meerut: Project Directorate for Farming Systems Research, 2010.

MLA引文

Singh,S.P, et al. Characterization and Evaluation of Existing Farming Systems of Uttar Pradesh. Project Directorate for Farming Systems Research, 2010.