Underwood, T. (1999). The portfolio project: A study of assessment, instruction, and middle school reform. National Council of Teachers of English.
芝加哥风格引文Underwood, Terry. The Portfolio Project: A Study of Assessment, Instruction, and Middle School Reform. Urbana: National Council of Teachers of English, 1999.
MLA引文Underwood, Terry. The Portfolio Project: A Study of Assessment, Instruction, and Middle School Reform. National Council of Teachers of English, 1999.
警告：这些引文格式不一定是100％准确.