@book { AndreaBrethTheaterkunstalskreativeInterpretation,
    title = "Andrea Breth: Theaterkunst als kreative Interpretation",
    author = "Günter {Ahrends}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1076927"
}