@book { PeterSingerundderUtilitarismus,
    title = "Peter Singer und der Utilitarismus",
    author = "Agnes {Thiel}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656271710",
    url = "https://www.hausarbeiten.de/document/201134"
}