Black, J. K. (1991). Development in theory and practice: Bridging the gap. Westview Press.
Citazione stile Chigago Style (17a edizione)Black, Jan Knippers. Development in Theory and Practice: Bridging the Gap. Boulder, Colorado: Westview Press, 1991.
Citatione MLA (9a ed.)Black, Jan Knippers. Development in Theory and Practice: Bridging the Gap. Westview Press, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.