American Association of Colleges for Teacher Education. (1968). Teacher education, issues and innovations: Twenty-first yearbook - 1968 Annual meeting. AAACTE.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Association of Colleges for Teacher Education. Teacher Education, Issues and Innovations: Twenty-first Yearbook - 1968 Annual Meeting. Washington, DC: AAACTE, 1968.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)American Association of Colleges for Teacher Education. Teacher Education, Issues and Innovations: Twenty-first Yearbook - 1968 Annual Meeting. AAACTE, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.