% First parameter can be changed eg to "Glossary" or something.
% Second parameter is the max length of bold terms.
\chapter*{List of Abbreviations}
\chaptermark{List of Abbreviations}

\begin{abbrv}

\item[\textbf{IMF}] International Monetary Fund

\item[\textbf{NATO}] North Atlantic Treaty Organization

\item[\textbf{UN}] United Nations

\item[\textbf{UNICEF}] United Nations Children's Fund

\item[\textbf{WHO}] World Health Organization

\item[\textbf{WTO}] World Trade Organization

\end{abbrv} 
