Wellman, C. H., & Cole, P. (2011). Debating the ethics of immigration: Is there a right to exclude? Oxford University Press.
Citazione stile Chigago Style (17a edizione)Wellman, Christopher Heath, e Phillip Cole. Debating the Ethics of Immigration: Is There a Right to Exclude? Oxford: Oxford University Press, 2011.
Citatione MLA (9a ed.)Wellman, Christopher Heath, e Phillip Cole. Debating the Ethics of Immigration: Is There a Right to Exclude? Oxford University Press, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.