How can I get google id (social type id)

I sync my google contact with my phone book id and display all the contact in the phonebook. How Can I bifurcation of which is my google contact and others? If you give me any solution it would be great.

I need google id (Source_Id) of the contacts, Any way to find the google contact id for my address book contact? in Android possible for this way (https://stackoverflow.com/a/26708378/2910061)