McCombs, J. S. (2014). Ready for fall?: Near-term effects of voluntary summer learning programs on low-income students' learning opportunities and outcomes. RAND.
芝加哥风格引文McCombs, Jennifer Sloan. Ready for Fall?: Near-term Effects of Voluntary Summer Learning Programs on Low-income Students' Learning Opportunities and Outcomes. Santa Monica, CA: RAND, 2014.
MLA引文McCombs, Jennifer Sloan. Ready for Fall?: Near-term Effects of Voluntary Summer Learning Programs on Low-income Students' Learning Opportunities and Outcomes. RAND, 2014.
警告：这些引文格式不一定是100％准确.