APA Edition Citation

Drucker, P. (2008). Essential Drucker. Butterworth-Heinemann.

Chicago Edition Citation

Drucker, Peter. Essential Drucker. Oxford: Butterworth-Heinemann, 2008.

MLA Edition Citation

Drucker, Peter. Essential Drucker. Butterworth-Heinemann, 2008.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.