एपीए उद्धरण

Drucker, P. F. 1. (1999). Managing for results: Economic tasks and risk-taking decisions. Oxford: Butterworth-Heinemann.

शिकागो स्टाइल उद्धरण

Drucker, Peter F. 1909-. Managing for Results: Economic Tasks and Risk-taking Decisions. Oxford: Butterworth-Heinemann, 1999.

एमएलए उद्धरण

Drucker, Peter F. 1909-. Managing for Results: Economic Tasks and Risk-taking Decisions. Oxford: Butterworth-Heinemann, 1999.