@book{Merriam,1999,
author = {Merriam, S. and Caffarella, R.},
title = {Learning in adulthood: A comprehensive guide},
edition = {2nd},
year = {1999},
publisher = {Jossey-Bass},
language = {English},
url = {books.google.com/books?id=ffaKVcPVC84C&lpg=PR3&ots=JVmTz6rIUz&dq=%22Learning%20in%20adulthood%3A%20A%20comprehensive%20guide%22&lr&pg=PR3#v=onepage&q=%22Learning%20in%20adulthood:%20A%20comprehensive%20guide%22&f=false}
}