Sidhu, K. S. (2001). Methodology of research in education. Sterling Publishers Private.
Cita Chicago (17th ed.)Sidhu, Kulbir Singh. Methodology of Research in Education. New Delhi: Sterling Publishers Private, 2001.
Cita MLA (8th ed.)Sidhu, Kulbir Singh. Methodology of Research in Education. Sterling Publishers Private, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.