Average Reading Proficiency of Students Who Read For Fun: 1984-96. US Department of Education.
芝加哥风格引文Average Reading Proficiency of Students Who Read For Fun: 1984-96. US Department of Education.
MLA引文Average Reading Proficiency of Students Who Read For Fun: 1984-96. US Department of Education.
警告：这些引文格式不一定是100％准确.