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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.