Cita APA (7th ed.)

Blaxter, L., Hughes, C., & Tight, M. (2004). How to research (2nd ed.). Open University Press.

Cita Chicago (17th ed.)

Blaxter, Loraine, Christina Hughes, i Malcolm Tight. How to Research. 2nd ed. Berkshire, United Kingdom: Open University Press, 2004.

Cita MLA (9th ed.)

Blaxter, Loraine, et al. How to Research. 2nd ed. Open University Press, 2004.