Columbia subject headings:
Turkey--Foreign economic relations--21st century.
Turkey--Foreign relations--21st century.
Harvard subject headings:
Middle East--Foreign relations--Turkey--History--21st century.
Turkey--Foreign economic relations--21st century.
Turkey--Foreign relations--21st century.
Turkey--Foreign relations--Middle East--History--21st century.
Princeton subject headings:
Turkey--Foreign Economic relations--21st century.
Turkey--Foreign relations--21st century.