Anbefalt lesing:
Agnew, J. 1996. Human geography. An essential anthology. Blackwell
Buch-Hansen, H. & P. Nielsen. 2005. Kritisk realisme. Roskilde Universitetsforlag, Frederiksberg.
Danermark, B. et al. 2002. Explaining Society. Critical realism in the social sciences. Routledge, London.
Peet, R. 1998 Modern Geographical Thought. Blackwell
Smith, M.J.1998 Social Science in Question. Sage