@book { AcquisitionofbebyCantoneseESLLearnersinHongKonganditsPedagogicalImplications,
    title = "Acquisition of «be» by Cantonese ESL Learners in Hong Kong- and its Pedagogical Implications",
    author = "Mable {Chan}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0650-3",
    url = "https://www.peterlang.com/document/1052932"
}