Black, J. K. (1991). Development in theory and practice: Bridging the gap. Westview Press.
Chicago-referens (17:e uppl.)Black, Jan Knippers. Development in Theory and Practice: Bridging the Gap. Boulder, Colorado: Westview Press, 1991.
MLA-referens (9:e uppl.)Black, Jan Knippers. Development in Theory and Practice: Bridging the Gap. Westview Press, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.