Libby, C. A., & Libby, C. A. (1980). Libbys' Spokane: A visual retrospect : a catalog of seven hundred photographs which depict Spokane--its people, buildings, businesses, social practices, and resources--and the surrounding areas, between 1918 and 1930. Eastern Washington State Historical Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Libby, Charles A., و Charles A. Libby. Libbys' Spokane: A Visual Retrospect : A Catalog of Seven Hundred Photographs Which Depict Spokane--its People, Buildings, Businesses, Social Practices, and Resources--and the Surrounding Areas, Between 1918 and 1930. Spokane, Wash.: Eastern Washington State Historical Society, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Libby, Charles A., و Charles A. Libby. Libbys' Spokane: A Visual Retrospect : A Catalog of Seven Hundred Photographs Which Depict Spokane--its People, Buildings, Businesses, Social Practices, and Resources--and the Surrounding Areas, Between 1918 and 1930. Eastern Washington State Historical Society, 1980.