Epple, D., Newlon, E., & Romano, R. (2000). Ability tracking, school competition, and the distribution of educational benefits. National Bureau of Economic Research.
Chicago Style (17. basım) AtıfEpple, Dennis, Elizabeth Newlon, ve Richard Romano. Ability Tracking, School Competition, and the Distribution of Educational Benefits. Cambridge: National Bureau of Economic Research, 2000.
MLA (9th ed.) AtıfEpple, Dennis, et al. Ability Tracking, School Competition, and the Distribution of Educational Benefits. National Bureau of Economic Research, 2000.
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