DRUCKER PETER F. (1992). MANAGING THE NON-PROFIT ORGANISATION. HARPER COLLINS PUBLISHERS.
Cita Chicago (17th ed.)DRUCKER PETER F. MANAGING THE NON-PROFIT ORGANISATION. NEW YORK: HARPER COLLINS PUBLISHERS, 1992.
Cita MLA (9th ed.)DRUCKER PETER F. MANAGING THE NON-PROFIT ORGANISATION. HARPER COLLINS PUBLISHERS, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.