@book { Somedeterminantsofperceivedcontrol,
    title = "'Some determinants of perceived control'",
    author = "Anke {Paulini}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836620161",
    url = "https://m.diplom.de/document/226218"
}