http://www.minunemica.eu/cele-cinci-nivele-ale-atasamentului/

https://books.google.ro/books?id=oeUsAgAAQBAJ&pg=PT312&lpg=PT312&dq=teoriile+adaptarii+copilului&source=bl&ots=fXeeRvFLTQ&sig=ApzQHNYYnE5-34sQs_c4g3HXhlA&hl=ro&sa=X&ei=93ARVZqbIIvaaqfNgeAJ&ved=0CEIQ6AEwBjge#v=onepage&q=teoriile%20adaptarii%20copilului&f=false