International city Managers' Association, Ridley, C. E., & Nolting, O. F. (1934). The Municipal yearbook: An authoritative resume of activities and statistical data of American cities. International city Managers' Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International city Managers' Association, Clarence Eugene Ridley, و Orin Frederye Nolting. The Municipal Yearbook: An Authoritative Resume of Activities and Statistical Data of American Cities. Chicago: International city Managers' Association, 1934.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International city Managers' Association, et al. The Municipal Yearbook: An Authoritative Resume of Activities and Statistical Data of American Cities. International city Managers' Association, 1934.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.