Webster, E. H. (1916). English for business: As applied in commercial, technical, and other secondary schools. Newson & Company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Webster, Edward Harlan. English for Business: As Applied in Commercial, Technical, and Other Secondary Schools. New York: Newson & Company, 1916.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Webster, Edward Harlan. English for Business: As Applied in Commercial, Technical, and Other Secondary Schools. Newson & Company, 1916.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.