I provide you with the relevant code.
Code: Select all
\documentclass{article}
\usepackage{fontspec}
\defaultfontfeatures{Mapping=tex-text}
\setmainfont{Minion Pro}
\usepackage{polyglossia}
\setmainlanguage{serbian}
\usepackage{xunicode}
\usepackage{xltxtra}
\begin{document}
\emph{бгдпт}
\end{document}