Guco, S. T. (1975). An analysis of the questioning techniques of selected elementary mathematics teachers and the implications of findings for grade two.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Guco, Sol Tremedal. An Analysis of the Questioning Techniques of Selected Elementary Mathematics Teachers and the Implications of Findings for Grade Two. 1975.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Guco, Sol Tremedal. An Analysis of the Questioning Techniques of Selected Elementary Mathematics Teachers and the Implications of Findings for Grade Two. 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.