@book { StadtentwicklungLosAngelesGatedCommunitiesundSuburbs,
    title = "Stadtentwicklung Los Angeles. Gated Communities und Suburbs",
    author = "Dorothea {Wolschak}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/275975"
}