Accountants International Study Group. (1974). Extraordinary items, prior period adjustments and changes in accounting principles: Current practices in Canada, the United Kingdom and the United States : a study. The Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Accountants International Study Group. Extraordinary Items, Prior Period Adjustments and Changes in Accounting Principles: Current Practices in Canada, the United Kingdom and the United States : A Study. [New York?]: The Group, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Accountants International Study Group. Extraordinary Items, Prior Period Adjustments and Changes in Accounting Principles: Current Practices in Canada, the United Kingdom and the United States : A Study. The Group, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.