Association for Student Teaching. Committee on Research. (1968). The director of student teaching: Characteristics and responsibility. s. n.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Association for Student Teaching. Committee on Research. The Director of Student Teaching: Characteristics and Responsibility. Washington, D. C: s. n, 1968.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Association for Student Teaching. Committee on Research. The Director of Student Teaching: Characteristics and Responsibility. s. n, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.