ISO formatted dates in sodertorns hogskola citation styles (#5882)

Author: Ambrosiani

sodertorns-hogskola-harvard-ibid.csl

@@ -118,7 +118,7 @@
               <date variable="accessed" delimiter="-">
                 <date-part name="year"/>
                 <date-part name="month" form="numeric-leading-zeros" strip-periods="true"/>
-                <date-part name="day"/>
+                <date-part name="day" form="numeric-leading-zeros"/>
               </date>
             </group>
           </if>

sodertorns-hogskola-harvard.csl

@@ -118,7 +118,7 @@
               <date variable="accessed" delimiter="-">
                 <date-part name="year"/>
                 <date-part name="month" form="numeric-leading-zeros" strip-periods="true"/>
-                <date-part name="day"/>
+                <date-part name="day" form="numeric-leading-zeros"/>
               </date>
             </group>
           </if>

sodertorns-hogskola-oxford.csl

@@ -319,8 +319,8 @@
       <else-if type="post post-weblog broadcast personal_communication interview manuscript" match="any">
         <date variable="issued">
           <date-part name="day" suffix="/"/>
-          <date-part name="month" suffix=" " form="numeric"/>
-          <date-part name="year"/>
+          <date-part name="month" form="numeric"/>
+          <date-part prefix=" " name="year"/>
         </date>
       </else-if>
       <else>