Please provide the references for the following citations below

$1.$ Utilitarianism defines the greatest good of the greatest number; hence, it has to utilize resources in places where the greatest positive impact is produced $($Bentham$,2007).$

$2.$ This is one easy accommodation of a very clear result$-$oriented approach regarding which interventions would best save lives or confer the most benefits $($Singer$,2015).$

$3.$ Not aware of human rights or particular needs of the minority, given that the decision$-$making process is based on collectivism $($Beauchamp & Childress, $2013).$

$4.$ Egalitarianism defines equality as a requirement in which every individual gets an equal share of health care or other resources, without considering any geographical or economic discrimination $($Rawls$,1971).$

$5.$ Libertarianism bases on centralizing the individual's freedom and property rights; therefore, foreign aid should be voluntary and not enforced $($Nozick$,1974).$

$6.$ Respects national sovereignty and autonomy toward individual freedom with support for voluntary contribution$-($De La Torre, $2017).$

$7.$ Communitarianism is a doctrine that stresses collective responsibility and cultural relevance while soliciting for help $($MacIntyre$,1984).$

$8.$ Embracing culturally responsive approaches, the wanted assistance must have relevance to the needs and values of the local individual or group in the community $($Etzioni$,1995).$