Bound, J. (2001). Trade in university training: Cross-state variation in the production and use of college educated labor. National Bureau of Economic Research.
Lua i Stíl Chicago (17ú heag.)Bound, John. Trade in University Training: Cross-state Variation in the Production and Use of College Educated Labor. Cambridge, Mass: National Bureau of Economic Research, 2001.
Lua MLA (9ú heag.)Bound, John. Trade in University Training: Cross-state Variation in the Production and Use of College Educated Labor. National Bureau of Economic Research, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.