@book { Web20forSchools,
    title = "Web 2.0 for Schools",
    subtitle = "Learning and Social Participation",
    author = "Julia {Davies} and Guy {Merchant}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1143702"
}