Leigh, A. (1996). Effective change: Twenty ways to make it happen. Universities Press.
Citazione stile Chigago Style (17a edizione)Leigh, Andrew. Effective Change: Twenty Ways to Make It Happen. Hyderabad: Universities Press, 1996.
Citatione MLA (9a ed.)Leigh, Andrew. Effective Change: Twenty Ways to Make It Happen. Universities Press, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.