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