Cita APA (7th ed.)

Sethna, B. (1984). Research methods in marketing and mgt. Tata McGraw Hill.

Cita Chicago (17th ed.)

Sethna, B. Research Methods in Marketing and Mgt. New Delhi: Tata McGraw Hill, 1984.

Cita MLA (9th ed.)

Sethna, B. Research Methods in Marketing and Mgt. Tata McGraw Hill, 1984.

Atenció: Aquestes cites poden no estar 100% correctes.