Or Cullen and Gilbert rehabilitation should be the major goal of any correctional system. Critically discuss this proposition

Question requires you to engage critically with some of the major theoretical approaches found within criminology:
In a concise manner, summarize the key assumptions of the broad theoretical approach you are considering.
Compare both the strengths and weaknesses of these approaches.
Assess the approaches in the light of your reading of and working through the module material.
University uses the Harvard referencing system.
Books I am supposed to be using,
Controlling crime by McLaughlin and Muncie.
Criminological perspectives by Muncie and McLaughlin.
And any more journals, books etc.