@Book{OL3956494M,
    title: {Statistics for business and economics},
    author: {Paul Newbold and William L. Carlson and Betty M. Thorne},
    publisher: {Prentice Hall},
    year: {2003},
    place: {Upper Saddle River, N.J},
}

@Author{OL586229A,
    name: {Paul Newbold},
}
@Author{OL2649603A,
    name: {William L. Carlson},
}
@Author{OL2649604A,
    name: {Betty M. Thorne},
}