Marketable title is established once the decree of distribution is:  all of these   recorded.   referenced   drawn up.

Marketable title is established once the decree of distribution is:

1. Drawn up: This is the first step where the decree of distribution is prepared. This document outlines the distribution of the deceased's estate according to their will or the law of intestacy if there was no will.

2. Referenced: The decree of distribution must be referenced to ensure that it is accurate and corresponds to the deceased's wishes or the law of intestacy. This step involves checking the details of the decree and making sure that all the necessary information is included.

3. Recorded: This is the final step where the decree of distribution is officially recorded in the public records. This step is crucial as it makes the decree legally binding and gives it legal effect. Once the decree is recorded, the title becomes marketable, meaning it can be sold or transferred.

So, the correct answer is "all of these". Marketable title is established once the decree of distribution is drawn up, referenced, and recorded.