U. S. Work Projects Administration. Oklahoma & Mariner, S. D. (1936). A program of speech education for the elementary and secondary schools and junior colleges of Oklahoma. s.n.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)U. S. Work Projects Administration. Oklahoma و Sylvia D. Mariner. A Program of Speech Education for the Elementary and Secondary Schools and Junior Colleges of Oklahoma. [Oklahoma Cityn]: s.n, 1936.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)U. S. Work Projects Administration. Oklahoma و Sylvia D. Mariner. A Program of Speech Education for the Elementary and Secondary Schools and Junior Colleges of Oklahoma. s.n, 1936.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.