APA
Delhi. Directorate of Economics and Statistics, . (1999). Report on own account and non-directory trading enterprises Delhi. Delhi: Directorate of Economics and Statistics.
Chicago
Delhi. Directorate of Economics and Statistics, . 1999. Report on own account and non-directory trading enterprises Delhi. Delhi: Directorate of Economics and Statistics.
Harvard
Delhi. Directorate of Economics and Statistics, . (1999). Report on own account and non-directory trading enterprises Delhi. Delhi: Directorate of Economics and Statistics.
MLA
Delhi. Directorate of Economics and Statistics, . Report on own account and non-directory trading enterprises Delhi. Delhi: Directorate of Economics and Statistics. 1999.