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Buku Teks SO
editor, Oliva Blanchette, Tomonobu Imamich, George F. McLean, Togi M. P. Pangaribuan
The Council for Research in Values and Philosophy , 2001
Buku Teks SO
Artikel Jurnal
edited by Oliva Blanchette, Tomonobu Imamich and George F. McLean
Council for Research in Values and Philosophy, 2001
Buku Teks SO
edited by Christian Reus-Smit and Christian Reus-Smit
United Kingdom Oxford University Press, 2017
Buku Teks SO