Burger, C., & Clark, G. (2011). Occupational pensions in Germany: An economic geography.
Lua i Stíl Chicago (17ú heag.)Burger, C., agus G. Clark. Occupational Pensions in Germany: An Economic Geography. 2011.
Lua MLA (9ú heag.)Burger, C., agus G. Clark. Occupational Pensions in Germany: An Economic Geography. 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.