Configuring Node Reference URL to auto populate with outbound (internal) link (node title)
Adding the node reference field step 1:


Adding the node reference field step 2:

a) Choose your Content type from 'Content types that can be referenced ' select list 
b) Fallback behavior *-> choose Use select list widget , leave all other options if you not need

All the settings are over. 

Now access your create content type with the node_id, in url

sitename.com/node/add/{the content type}/23, where 23 is the node id passed from the link

You can find that the options with particular node is is selected in the list box

Creating links - it is well explained in modules readme.txt please go through well