@book { SovereigntyinChinasPerspective,
    title = "Sovereignty in China’s Perspective",
    author = "Yonghong {Yang}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11052",
    url = "https://www.peterlang.com/document/1054955"
}