%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{5}

\bibitem{Twardy+Kopacz2015} Twardy, S., \& Kopacz, M. (2015). \textit{The role of permanent grasslands in mountain areas: Study on agri-environmental importance of permanent grasslands -- based on research carried out in the upper Dunajec River basin and Grajcarek Stream basin}. Falenty-Krakow.

\end{thebibliography}

\end{document}

