Mann, P. H. Octavia Hill: An appraisal. Town Planning Review.
Lua i Stíl Chicago (17ú heag.)Mann, Peter H. "Octavia Hill: An Appraisal." Town Planning Review .
Lua MLA (9ú heag.)Mann, Peter H. "Octavia Hill: An Appraisal." Town Planning Review, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.