@book { TabuthemamnnlicheProstitution,
    title = "Tabuthema männliche Prostitution",
    subtitle = "Eine Herausforderung an die soziale Arbeit",
    author = "Nikolas {Hagele}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836603447",
    url = "https://m.diplom.de/document/228912"
}