Re non custodial sentences an effective form of punishment and does it reduce the risk of re-offending?

i would like my work to be in simple sentences (using uk based english).

i want my referencing to be in harvard style.

please use all uk based qualitative research used for my work.

my methadology will be through secondary research (literature based), please include relevant statistics and other relevant sources.

please relate to my attached documant which explains in depth the aims objectives and outcomes that i expect from this piece of work.

i would like my work to be split into chapters, i would like a contents page along with a bibliography.
Bottoms, A, 2004: Alternatives to prison, Option for an insecure society
Bottoms, A, 2002: Community penalties, changes and challenges.
Marsh, I, 2004: Criminal justice, An introduction to philosophies, theories and practice.
Brownlee, I, 1998: community punishment, a critical introduction
Lanier, H, 2004: essential criminology, second edition
Doherty, M, 2004: criminology, fifth edition
Matthews,R, 2003: the politics of crime and punishment

Cesare-Beccaria: edu/b/beccaria.htm