diff --git a/modules/cross-references.xml b/modules/cross-references.xml
index bf5f394..8a86c6c 100644
--- a/modules/cross-references.xml
+++ b/modules/cross-references.xml
@@ -91,6 +91,27 @@
 	</template>
 	
 	
+	<!-- Exercise reference. -->
+	<template name="exercise-reference" match="exercise" mode="reference">
+		<common formats="/latex/xelatex/">
+			<xsl:text>Exercise~\ref*{</xsl:text>
+			<xsl:value-of select="@label" />
+			<xsl:text>}</xsl:text>
+		</common>
+		<common formats="/html/xhtml/">
+			<xsl:text disable-output-escaping="yes">Exercise&amp;nbsp;</xsl:text>
+			<xsl:choose>
+				<xsl:when test="$showanswers='yes'">
+					<xsl:number count="exercise" level="any" format="1" />
+				</xsl:when>
+				<xsl:otherwise>
+					<xsl:number count="exercise[not(ancestor::answer) and not(ancestor::omit) and not(ancestor::comment)]" level="any" format="1" />
+				</xsl:otherwise>
+			</xsl:choose>
+		</common>
+	</template>
+	
+	
 	<!--
 		Common template for item page references, as they're identical for all items. Standalone page references (i.e., not to a specific item) are dealt with below.
 	-->