Hopper, R. (1997). Andrew Sabin: The open sea / [texts by Robert Hopper ]. Henry Moore Sculpture Trust.
Lua i Stíl Chicago (17ú heag.)Hopper, Robert. Andrew Sabin: The Open Sea / [texts by Robert Hopper ]. Leeds: Henry Moore Sculpture Trust, 1997.
Lua MLA (8ú heag.)Hopper, Robert. Andrew Sabin: The Open Sea / [texts by Robert Hopper ]. Henry Moore Sculpture Trust, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.