@book { TeamrollenDasModellnachBelbin,
    title = "Teamrollen. Das Modell nach Belbin",
    author = "Anika {Heinrich} and Jennifer {Wall}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656423089",
    url = "https://www.hausarbeiten.de/document/213706"
}