Pardridge, A. J., & Bradley, H. (1979). Directory to apartments of the better class along the north side of Chicago: Exhibiting photographic reproductions of the exterior, and typical floor plans, together with a description of the essential advantages, and the rental schedule, of the majority of the apartments of the better class along the north side of Chicago. Lisec, Klimek & Biederman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pardridge, Albert Jerome, و Harold Bradley. Directory to Apartments of the Better Class Along the North Side of Chicago: Exhibiting Photographic Reproductions of the Exterior, and Typical Floor Plans, Together with a Description of the Essential Advantages, and the Rental Schedule, of the Majority of the Apartments of the Better Class Along the North Side of Chicago. [S.l.]: Lisec, Klimek & Biederman, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pardridge, Albert Jerome, و Harold Bradley. Directory to Apartments of the Better Class Along the North Side of Chicago: Exhibiting Photographic Reproductions of the Exterior, and Typical Floor Plans, Together with a Description of the Essential Advantages, and the Rental Schedule, of the Majority of the Apartments of the Better Class Along the North Side of Chicago. Lisec, Klimek & Biederman, 1979.