APA
Gorard S., . (2013). Research design : creating robust approaches for the social sciences. Sage Publications, London: .
Chicago
Gorard Stephen, . 2013. Research design : creating robust approaches for the social sciences. Sage Publications, London: .
Harvard
Gorard S., . (2013). Research design : creating robust approaches for the social sciences. Sage Publications, London: .
MLA
Gorard Stephen, . Research design : creating robust approaches for the social sciences. Sage Publications, London: . 2013.