APA
Sehgal Ritu, University of Delhi. Faculty of Management. Deptt of Commerce (Delhi India) & University of Delhi. Faculty of Management. Deptt of Commerce (Delhi India). (1992). Quality circles. Delhi: University of Delhi India.
Chicago
Sehgal Ritu, University of Delhi. Faculty of Management. Deptt of Commerce (Delhi India) and University of Delhi. Faculty of Management. Deptt of Commerce (Delhi India). 1992. Quality circles. Delhi: University of Delhi India.
Harvard
Sehgal Ritu, University of Delhi. Faculty of Management. Deptt of Commerce (Delhi India) and University of Delhi. Faculty of Management. Deptt of Commerce (Delhi India). (1992). Quality circles. Delhi: University of Delhi India.
MLA
Sehgal Ritu, University of Delhi. Faculty of Management. Deptt of Commerce (Delhi India) and University of Delhi. Faculty of Management. Deptt of Commerce (Delhi India). Quality circles. Delhi: University of Delhi India. 1992.