National Council of Teachers of English & National Council of Teachers of English. Elementary Section. (1947). Elementary English. National Council of Teachers of English.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Council of Teachers of English و National Council of Teachers of English. Elementary Section. Elementary English. Chicago, Ill.: National Council of Teachers of English, 1947.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Council of Teachers of English و National Council of Teachers of English. Elementary Section. Elementary English. National Council of Teachers of English, 1947.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.