@book { Adolescentsfutureorientation,
    title = "Adolescents’ future-orientation",
    subtitle = "Theory and research",
    author = "Janusz {Trempala} and Lars-Erik {Malmberg}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093747"
}