American Institute of Certified Public Accountants. Accounting Principles Board. (1962). Opinions of the Accounting Principles Board. Accounting Principles Board, American Institute of Certified Public Accountants.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Institute of Certified Public Accountants. Accounting Principles Board. Opinions of the Accounting Principles Board. New York: Accounting Principles Board, American Institute of Certified Public Accountants, 1962.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American Institute of Certified Public Accountants. Accounting Principles Board. Opinions of the Accounting Principles Board. Accounting Principles Board, American Institute of Certified Public Accountants, 1962.
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