APA are rules of proper source documentation to avert difficulty. This makes you feel that you are not alone. Having to follow detailed citation and formatting guidelines as well may seem like just one more task to add to an already-too-long list of requirements.
Community sanctions are sentences implemented in a community setting rather than in a prison. Sanctions are based in the traditional purposes of punishment: just deserts (or retribution), deterrence, rehabilitation, and incapacitation.