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diff --git a/tests/modeltests/mutually_referential/models.py b/tests/modeltests/mutually_referential/models.py
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+++ b/tests/modeltests/mutually_referential/models.py
@@ -0,0 +1,32 @@
+"""
+24. Mutually referential many-to-one relationships
+
+To define a many-to-one relationship, use ``ForeignKey()`` .
+"""
+
+from django.db.models import *
+
+class Parent(Model):
+    name = CharField(maxlength=100, core=True)
+    bestchild = ForeignKey("Child", null=True, related_name="favoured_by")
+
+class Child(Model):
+    name = CharField(maxlength=100)
+    parent = ForeignKey(Parent)
+
+API_TESTS = """
+# Create a Parent
+>>> q = Parent(name='Elizabeth')
+>>> q.save()
+
+# Create some children
+>>> c = q.child_set.create(name='Charles')
+>>> e = q.child_set.create(name='Edward')
+
+# Set the best child
+>>> q.bestchild = c
+>>> q.save()
+
+>>> q.delete()
+
+"""
+\ No newline at end of file