APA
Gupta S. &. G. H., . (2011). Research methodology. Ahmedabad: Interenational book house Pvt. Ltd.
Chicago
Gupta S.L & Gupta Hitesh, . 2011. Research methodology. Ahmedabad: Interenational book house Pvt. Ltd.
Harvard
Gupta S. &. G. H., . (2011). Research methodology. Ahmedabad: Interenational book house Pvt. Ltd.
MLA
Gupta S.L & Gupta Hitesh, . Research methodology. Ahmedabad: Interenational book house Pvt. Ltd. 2011.