@book { ClassroomTalk,
    title = "Classroom Talk",
    subtitle = "Exploring the Sociocultural Structure of Formal ESL Learning",
    author = "Debbie Guan Eng {Ho}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1102364"
}