Perks, S. (1905). Residential flats of all classes, including artisans' dwellings: A practical treatise on their planning and arrangement, together with chapters on their history, financial matters, etc., with numerous illustrations. B.T. Batsford.
Lua i Stíl Chicago (17ú heag.)Perks, Sydney. Residential Flats of All Classes, Including Artisans' Dwellings: A Practical Treatise on Their Planning and Arrangement, Together with Chapters on Their History, Financial Matters, Etc., with Numerous Illustrations. London: B.T. Batsford, 1905.
Lua MLA (8ú heag.)Perks, Sydney. Residential Flats of All Classes, Including Artisans' Dwellings: A Practical Treatise on Their Planning and Arrangement, Together with Chapters on Their History, Financial Matters, Etc., with Numerous Illustrations. B.T. Batsford, 1905.