Heathcote, D. (2004). Barbican penthouse over the city David heathcote. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Heathcote, David. Barbican Penthouse over the City David Heathcote. John Wiley & Sons, 2004.
Lua MLA (8ú heag.)Heathcote, David. Barbican Penthouse over the City David Heathcote. John Wiley & Sons, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.