De or het offertereferentie?

The correct Dutch article is:

de offertereferentie

Rule Words ending in -tie and -sie: almost always de. See the rule

This word is not in the word lists we use to double-check answers.

How to use offertereferentie

the offertereferentiede offertereferentie
this offertereferentiedeze offertereferentie
that offertereferentiedie offertereferentie
our offertereferentieonze offertereferentie
your offertereferentiejouw offertereferentie
every offertereferentieelke offertereferentie
which offertereferentie?welke offertereferentie?
a big offertereferentie / the big offertereferentieeen grote offertereferentie, de grote offertereferentie