Cita APA (7th ed.)

Gupta, S. K. (2011). Business research methodology: Methods, tools and techniques. Kalyani.

Cita Chicago (17th ed.)

Gupta, Shashi K. Business Research Methodology: Methods, Tools and Techniques. New Delhi: Kalyani, 2011.

Cita MLA (9th ed.)

Gupta, Shashi K. Business Research Methodology: Methods, Tools and Techniques. Kalyani, 2011.