APA (7th ed.) Citation

Birks, P. (2005). Unjust enrichment (2. ed.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Birks, Peter. Unjust Enrichment. 2. ed. Oxford [u.a.]: Oxford Univ. Press, 2005.

MLA (9th ed.) Citation

Birks, Peter. Unjust Enrichment. 2. ed. Oxford Univ. Press, 2005.