APA (7e ed.) Bronvermelding

DE BONO EDWARD. (1990). WORDPOWER - AN ILLUSTRATED DICTIONERY OF VITAL WORDS. PENGUIN BOOKS INDIA (P) LTD.

Chicago (17e ed.) Bronvermelding

DE BONO EDWARD. WORDPOWER - AN ILLUSTRATED DICTIONERY OF VITAL WORDS. LONDON: PENGUIN BOOKS INDIA (P) LTD, 1990.

MLA (9e ed.) Bronvermelding

DE BONO EDWARD. WORDPOWER - AN ILLUSTRATED DICTIONERY OF VITAL WORDS. PENGUIN BOOKS INDIA (P) LTD, 1990.