Sabey, D. L. (1999). The restrictive covenant in the control of land use. Ashgate.
Chicago Style (17th ed.) ZitazioaSabey, Donald L. The Restrictive Covenant in the Control of Land Use. Aldershot: Ashgate, 1999.
MLA (9th ed.) ZitazioaSabey, Donald L. The Restrictive Covenant in the Control of Land Use. Ashgate, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.