APA (7 वां संस्करण) प्रशस्ति पत्र

Heckman, J. J., Lochner, L., & Taber, C. (1998). General equilibrium treatment effects: A study of tuition policy. National Bureau of Economic Research.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Heckman, James J., Lance Lochner, और Christopher Taber. General Equilibrium Treatment Effects: A Study of Tuition Policy. Cambride: National Bureau of Economic Research, 1998.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Heckman, James J., et al. General Equilibrium Treatment Effects: A Study of Tuition Policy. National Bureau of Economic Research, 1998.

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