Blaxter, L., Hughes, C., & Tight, M. (2010). How to research (3rd ed.). Open University Press.
Cita Chicago (17th ed.)Blaxter, Loraine, Christina Hughes, i Malcolm Tight. How to Research. 3rd ed. Berkshire, England ; New York: Open University Press, 2010.
Cita MLA (8th ed.)Blaxter, Loraine, et al. How to Research. 3rd ed. Open University Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.