@misc{the+algorithm+for+the+evaluation+of+construction+workers+labour+productivity,
    author = {Plebankiewicz, Edyta i Malara, Jarosław},
    title = {The algorithm for the evaluation of construction workers’ labour productivity},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2017},
    number = {Y. 114, vol. 6}
}