Ohio State University. College of Education & Ohio State University. Bureau of Educational Research and Service. Theory into practice. College of Education, Ohio State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ohio State University. College of Education و Ohio State University. Bureau of Educational Research and Service. Theory into Practice. [Columbus]: College of Education, Ohio State University.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ohio State University. College of Education و Ohio State University. Bureau of Educational Research and Service. Theory into Practice. College of Education, Ohio State University.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.