Lua APA (7ú heag.)

Flennert, M., König, H., & Hajek, A. (2019). The association between voluntary work and health care use among older adults in Germany. BMC.

Lua i Stíl Chicago (17ú heag.)

Flennert, Maike, Hans-Helmut König, agus André Hajek. The Association Between Voluntary Work and Health Care Use Among Older Adults in Germany. BMC, 2019.

Lua MLA (9ú heag.)

Flennert, Maike, et al. The Association Between Voluntary Work and Health Care Use Among Older Adults in Germany. BMC, 2019.

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