@book { EnglishandFrenchOnlineComments,
    title = "English and French Online Comments",
    author = "John Marcus {Sommer}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16853",
    url = "https://www.peterlang.com/document/1058450"
}