Lua APA (7ú heag.)
Hamm, I., Seitz, H., & Werding, M. (2008). Demographic Change in Germany: The Economic and Fiscal Consequences. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-68137-3
Lua i Stíl Chicago (17ú heag.)
Hamm, Ingrid, Helmut Seitz, agus Martin Werding. Demographic Change in Germany: The Economic and Fiscal Consequences. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-68137-3.
Lua MLA (9ú heag.)
Hamm, Ingrid, et al. Demographic Change in Germany: The Economic and Fiscal Consequences. Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-68137-3.
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