@book { TrainingsplanungnachderILBMethodeFitnesstrainerBLizenz,
    title = "Trainingsplanung nach der ILB Methode (Fitnesstrainer B-Lizenz)",
    author = "Faisal {Ismail}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656477471",
    url = "https://www.hausarbeiten.de/document/231202"
}