Hugh collins. (1993). The Law Of Contract (2.). Butter worth.
Lua i Stíl Chicago (17ú heag.)Hugh collins. The Law Of Contract. 2. London: Butter worth, 1993.
Lua MLA (9ú heag.)Hugh collins. The Law Of Contract. 2. Butter worth, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.