@Book{OL25563912M,
    title: {Harry Potter e i doni della morte},
    author: {J. K. Rowling},
    publisher: {Salani},
    year: {2008},
    place: {Milano, Italia},
}

@Author{OL23919A,
    name: {J. K. Rowling},
    birth_date: {31 July 1965}
}