@book { DiePrinzipiendeschinesischenVertragsrechts,
    title = "Die Prinzipien des chinesischen Vertragsrechts",
    author = "Ping {Shi}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099348"
}