Παραπομπή σε μορφή APA (7η εκδ.)

TΓ€nnsjΓΆ, T. (2010). From Reasons to Norms: On the Basic Question in Ethics. Springer Science+Business Media B.V.

Παραπομπή σε μορφή Chicago (17η εκδ.)

TΓ€nnsjΓΆ, TorbjΓΆrn. From Reasons to Norms: On the Basic Question in Ethics. Dordrecht: Springer Science+Business Media B.V, 2010.

Παραπομπή σε μορφή MLA (8th εκδ.)

TΓ€nnsjΓΆ, TorbjΓΆrn. From Reasons to Norms: On the Basic Question in Ethics. Springer Science+Business Media B.V, 2010.