APA (7th ed.) Zitazioa

Schrage, E. J. H. (1999). Unjust enrichment: The comparative legal history of the law of restitution (2a. ed.). Duncker & Humblot.

Chicago Style (17th ed.) Zitazioa

Schrage, Eltjo J. H. Unjust Enrichment: The Comparative Legal History of the Law of Restitution. 2a. ed. Berlín: Duncker & Humblot, 1999.

MLA (9th ed.) Zitazioa

Schrage, Eltjo J. H. Unjust Enrichment: The Comparative Legal History of the Law of Restitution. 2a. ed. Duncker & Humblot, 1999.