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@book{turnbull1989history,
    title = {A History of Singapore, 1819-1988},
    author = {Turnbull, Constance Mary},
    isbn = {9780195889116},
    lccn = {89009307},
    url = {https://books.google.pl/books?id=KwtHAAAAMAAJ},
    year = {1989},
    edition = {2},
    publisher = {Oxford University Press},
    date-added = {2025-5-30 8:10:31 +0100}
}

@book{turnbull1989history, title = {A History of Singapore, 1819-1988}, author = {Turnbull, Constance Mary}, isbn = {9780195889116}, lccn = {89009307}, url = {https://books.google.pl/books?id=KwtHAAAAMAAJ}, year = {1989}, edition = {2}, publisher = {Oxford University Press}, date-added = {2025-5-30 8:10:31 +0100} }