@book{sigmasigbooklet,
    type = "book",
    editor = "Peter Rowlett and Jeff Waldock",
    year = "2017",
    title = {Employability development for HE mathematics and statistics: case studies of successful practice},
    publisher = "Sheffield Hallam University (on behalf of the sigma Network for Excellence in Mathematics and Statistics Support)",
    address = "Sheffield, U.K.",
    url = "https://www.sigma-network.ac.uk/wp-content/uploads/2017/09/Employability-Development-booklet.pdf",
    note = "ISBN 978-1-84387-414-0."
}