Phillips, H. M. (1975). Basic education--a world challenge: Measures and innovations for children and youth in developing countries. Wiley.
Chicago-referens (17:e uppl.)Phillips, H. M. Basic Education--a World Challenge: Measures and Innovations for Children and Youth in Developing Countries. London ; New York: Wiley, 1975.
MLA-referens (8:e uppl.)Phillips, H. M. Basic Education--a World Challenge: Measures and Innovations for Children and Youth in Developing Countries. Wiley, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.