Philippines (Republic). Industrial Development Center & Accounting Service. (1950). A standard cost system outline: The system that evaluates production before it starts. s.n.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines (Republic). Industrial Development Center و Accounting Service. A Standard Cost System Outline: The System That Evaluates Production Before It Starts. [Manila: s.n, 1950.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines (Republic). Industrial Development Center و Accounting Service. A Standard Cost System Outline: The System That Evaluates Production Before It Starts. s.n, 1950.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.