Dyfyniad APA

DRUCKER PETER F. (2001). ESSENTIAL DRUCKER: PRE-EMINENT MANAGEMENT..OUR TIME (NA.). Butterworth,Heinemann.

Dyfyniad Arddull Chicago

DRUCKER PETER F. ESSENTIAL DRUCKER: PRE-EMINENT MANAGEMENT..OUR TIME. NA. Great,Britain: Butterworth,Heinemann, 2001.

Dyfyniad MLA

DRUCKER PETER F. ESSENTIAL DRUCKER: PRE-EMINENT MANAGEMENT..OUR TIME. NA. Butterworth,Heinemann, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.