Warren, R. (1985). Swimming pool management. Publishing Horizons.
Lua i Stíl Chicago (17ú heag.)Warren, Roger. Swimming Pool Management. Columbus, Ohio: Publishing Horizons, 1985.
Lua MLA (9ú heag.)Warren, Roger. Swimming Pool Management. Publishing Horizons, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.