DE BONO EDWARD. (1992). SUPER PETITION. CREATIVE VALUES MONOPOLIER......COMPETING. HARPER COLLINS PUBLISHERS.
Cita Chicago (17th ed.)DE BONO EDWARD. SUPER PETITION. CREATIVE VALUES MONOPOLIER......COMPETING. NEW DELHI: HARPER COLLINS PUBLISHERS, 1992.
Cita MLA (9th ed.)DE BONO EDWARD. SUPER PETITION. CREATIVE VALUES MONOPOLIER......COMPETING. HARPER COLLINS PUBLISHERS, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.