Gray, Z. (1894). Outlines of composition and rhetoric: For the use in classes in English of the East Side High School. Board of Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gray, Zelma. Outlines of Composition and Rhetoric: For the Use in Classes in English of the East Side High School. Saginaw, Mich.: Board of Education, 1894.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gray, Zelma. Outlines of Composition and Rhetoric: For the Use in Classes in English of the East Side High School. Board of Education, 1894.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.