@book { LebenszieleundsubjektivesWohlbefinden,
    title = "Lebensziele und subjektives Wohlbefinden",
    subtitle = "Eine qualitative Vergleichsstudie",
    author = "Deniz {Tagmat}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832474423",
    url = "https://m.diplom.de/document/222725"
}