@misc{Derbyshire_Wyn_Pensions_2008,
 author={Derbyshire, Wyn},
 address={London},
 howpublished={online},
 year={2008},
 publisher={Sweet and Maxwell},
 title={Pensions and employment law : issues at the interface},
 keywords={emerytura, system emerytalno-rentowy, umowa o pracę, dyskryminacja},
}