Hartlein, M. L. Construction and evaluation of a test to measure elementary mathematical understandings. Michigan University Microfilms.
芝加哥风格引文Hartlein, Marion Louise. Construction and Evaluation of a Test to Measure Elementary Mathematical Understandings. Ann Arbor: Michigan University Microfilms.
MLA引文Hartlein, Marion Louise. Construction and Evaluation of a Test to Measure Elementary Mathematical Understandings. Michigan University Microfilms.
警告：这些引文格式不一定是100％准确.