Gaya APA

Simpson, N., Sparbe, C. (2013). The Short- and Long-Run Determinants of Less-Educated Immigrant Flows into U.S. States . : Southern Economic Association.

Gaya MLA

Simpson, Nicole.B.., Sparbe, Chad. "The Short- and Long-Run Determinants of Less-Educated Immigrant Flows into U.S. States". : Southern Economic Association, 2013. e-journal.