Cita APA (7th ed.)

DE BONO EDWARD. (1991). HANDBOOK FOR THE POSITIVE REVOLUTION. PENGUIN BOOKS INDIA (P) LTD.

Cita Chicago (17th ed.)

DE BONO EDWARD. HANDBOOK FOR THE POSITIVE REVOLUTION. ENGLAND: PENGUIN BOOKS INDIA (P) LTD, 1991.

Cita MLA (9th ed.)

DE BONO EDWARD. HANDBOOK FOR THE POSITIVE REVOLUTION. PENGUIN BOOKS INDIA (P) LTD, 1991.