APA
Bradley N., . (2007). Marketing research : tools & techniques. Oxford: Oxford University Press.
Chicago
Bradley Nigel, . 2007. Marketing research : tools & techniques. Oxford: Oxford University Press.
Harvard
Bradley N., . (2007). Marketing research : tools & techniques. Oxford: Oxford University Press.
MLA
Bradley Nigel, . Marketing research : tools & techniques. Oxford: Oxford University Press. 2007.