Citazione Stile APA (7a Edizione)

Boeuf, M. L. (2001). Essence of Time Management (12th.). McGraw-Hill Companies.

Citazione stile Chigago Style (17a edizione)

Boeuf, Michael Le. Essence of Time Management. 12th. New Delhi: McGraw-Hill Companies, 2001.

Citatione MLA (9a ed.)

Boeuf, Michael Le. Essence of Time Management. 12th. McGraw-Hill Companies, 2001.