Friedlander, S. L. (1965). Labor migration and economic growth: A case study of Puerto Rico. M.I.T. Press.
Lua i Stíl Chicago (17ú heag.)Friedlander, Stanley L. Labor Migration and Economic Growth: A Case Study of Puerto Rico. Cambridge, Mass.: M.I.T. Press, 1965.
Lua MLA (9ú heag.)Friedlander, Stanley L. Labor Migration and Economic Growth: A Case Study of Puerto Rico. M.I.T. Press, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.