@misc{Hasson_Gill_Mental_2020,
 author={Hasson, Gill and Butler, Donna},
 address={Chichester},
 howpublished={online},
 year={2020},
 publisher={Wiley-Capstone},
 title={Mental health and wellbeing in the workplace : a practical guide for employers and employees},
 keywords={zadowolenie z pracy, psychologia pracy, Wielka Brytania},
}