@book { ExpatriatesEinLebenzwischendenWelten,
    title = "Expatriates - Ein Leben zwischen den Welten?",
    author = "Sally {Hannappel}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656299400",
    url = "https://www.hausarbeiten.de/document/203756"
}