You can use almost any tactic for bonding with a baby that you would use for a bio dad with any non-bio parent.
-Let the non-bio parents help feed the baby even if you breastfeed you could pump it and allow them at least once a day to feed the baby the breast milk via a bottle or they could feed the baby when ready baby cereal or juice or water via a bottle.
As far as names/titles, there are also a variety of ways for the non-bio child to refer to their non-bio parents.
You could choose:
-the other parent terms that their bio parents are not using, like mom, mommy, mother, mama, mamacita, dad, daddy, father, or papa
-have them call the non-bio parents Uncle or Aunt, Mr., Ms., Mrs. then the first name. For example, Mr. Mike.
-have the child choose a name/title to call them (this is what we did)[/li][/list]
Any other ideas?