\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[english]{babel}
\usepackage{csquotes}
\usepackage[backend=biber,bibstyle=biblatex-sp-unified,citestyle=sp-authoryear-comp]{biblatex}
\usepackage{hyperref}
\urlstyle{same}
\pagestyle{empty}

\addbibresource{unified-test.bib}

\begin{document}

\section*{Unified BibLaTeX style sheet for linguistics}

\nocite{*}

\printbibliography[heading=none]

\end{document}
