DE BONO EDWARD. (1990). WORDPOWER - AN ILLUSTRATED DICTIONERY OF VITAL WORDS. PENGUIN BOOKS INDIA (P) LTD.
Citazione stile Chigago Style (17a edizione)DE BONO EDWARD. WORDPOWER - AN ILLUSTRATED DICTIONERY OF VITAL WORDS. LONDON: PENGUIN BOOKS INDIA (P) LTD, 1990.
Citatione MLA (9a ed.)DE BONO EDWARD. WORDPOWER - AN ILLUSTRATED DICTIONERY OF VITAL WORDS. PENGUIN BOOKS INDIA (P) LTD, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.