APA
Sharp A. M., Leftwich R. H. & Sharp A. M. (1987). Economics of social issues. New Delhi: Universal Book Stall.
Chicago
Sharp Ansel M, Leftwich Richard H and Sharp Ansel M. 1987. Economics of social issues. New Delhi: Universal Book Stall.
Harvard
Sharp A. M., Leftwich R. H. and Sharp A. M. (1987). Economics of social issues. New Delhi: Universal Book Stall.
MLA
Sharp Ansel M, Leftwich Richard H and Sharp Ansel M. Economics of social issues. New Delhi: Universal Book Stall. 1987.