Gaya APA

Buchanan, J, M., Congleton, R, D. (2006). Politics by principle, not interest: toward nondiscriminatory democracy (1st digitally printed pbk. version.). enk: Cambridge University Press.

Gaya MLA

Buchanan, James, M.., Congleton, Roger, D.. "Politics by principle, not interest: toward nondiscriminatory democracy". 1st digitally printed pbk. version. enk: Cambridge University Press, 2006. Buku.