Cita APA (7th ed.)

Blonigen, B. A., & Slaughter, M. J. (1999). Foreign-affiliate activity and U.S. skill upgrading. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Blonigen, Bruce A., i Matthew J. Slaughter. Foreign-affiliate Activity and U.S. Skill Upgrading. Cambridge: National Bureau of Economic Research, 1999.

Cita MLA (9th ed.)

Blonigen, Bruce A., i Matthew J. Slaughter. Foreign-affiliate Activity and U.S. Skill Upgrading. National Bureau of Economic Research, 1999.