(1992). Higher Standards for Grade Promotion and Graduation Unintended Effects of Reform / David C. Potter and Mary Ellen Wall. [microform].
Cita Chicago (17th ed.)Higher Standards for Grade Promotion and Graduation Unintended Effects of Reform / David C. Potter and Mary Ellen Wall. [microform]. 1992.
Cita MLA (9th ed.)Higher Standards for Grade Promotion and Graduation Unintended Effects of Reform / David C. Potter and Mary Ellen Wall. [microform]. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.