OXFORD UNIVERSITY PRESS. (1990). CONCISE OXFORD DICTIONARY OF QUOTATIONS. OXFORD UNIVERSITY PRESS.
Cita Chicago (17th ed.)OXFORD UNIVERSITY PRESS. CONCISE OXFORD DICTIONARY OF QUOTATIONS. NEW DELHI GENEVA: OXFORD UNIVERSITY PRESS, 1990.
Cita MLA (9th ed.)OXFORD UNIVERSITY PRESS. CONCISE OXFORD DICTIONARY OF QUOTATIONS. OXFORD UNIVERSITY PRESS, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.