Bill, G., Ahmad, P.(2006).Transformational thinking : Champions of change / Bill Gould; penerjemah Ahmad Pathoni .Jakarta:Gramedia Pustaka Utama.
Gaya MLA
Gould, Bill., Pathoni, Ahmad."Transformational thinking : Champions of change / Bill Gould; penerjemah Ahmad Pathoni".Jakarta:Gramedia Pustaka Utama,2006.Textbook.