@book { GamifyYourClassroom,
    title = "Gamify Your Classroom",
    subtitle = "A Field Guide to Game-Based Learning – Revised edition",
    author = "Matthew {Farber}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4331-3882-9",
    url = "https://www.peterlang.com/document/1054820"
}