There had not been even one indirect reference to Clerihew in any of the four rallies.

I do not appreciate even indirect references to honor and patrimony.

It isn't necessary, always, to be direct with sense appeal, we can get a similar effect with an indirect reference.

The resolution warns that the Council will consider further action if necessary, an indirect reference to economic sanctions.

One cannot watch television for very long without coming across a direct or indirect reference to Hitler.

The entire track "Testify" is arguably an indirect reference to the novel.

And certain new work makes direct or indirect reference to him.

Only once was there even an indirect reference to the matter.

It includes mild violence and a couple of indirect sexual references.

Beneath the movie's surreal imagery, there are many indirect references.