Cita APA (7a ed.)

Singh, Y. K. (2005). Research methodology (ed.). A. P. H..

Cita Chicago Style (17a ed.)

Singh, Y. Kumar. Research Methodology. ed. New Delhi: A. P. H., 2005.

Cita MLA (9a ed.)

Singh, Y. Kumar. Research Methodology. ed. A. P. H., 2005.