APA
Yadav Purva Au, University of Delhi. Delhi School of Economics. Department of Geography, H. Ramachandran Gu & University of Delhi. Delhi School of Economics. Department of Geography. (2012). Geographical interpretation of changing patterns of international trade. : .
Chicago
Yadav Purva Au, University of Delhi. Delhi School of Economics. Department of Geography, H. Ramachandran Gu and University of Delhi. Delhi School of Economics. Department of Geography. 2012. Geographical interpretation of changing patterns of international trade. : .
Harvard
Yadav Purva Au, University of Delhi. Delhi School of Economics. Department of Geography, H. Ramachandran Gu and University of Delhi. Delhi School of Economics. Department of Geography. (2012). Geographical interpretation of changing patterns of international trade. : .
MLA
Yadav Purva Au, University of Delhi. Delhi School of Economics. Department of Geography, H. Ramachandran Gu and University of Delhi. Delhi School of Economics. Department of Geography. Geographical interpretation of changing patterns of international trade. : . 2012.