Citazione Stile APA (7a Edizione)

Clayton, M. Brilliant Time Management: What the most productive people know do and say (1.). Pearson Education UK.

Citazione stile Chigago Style (17a edizione)

Clayton, Mike. Brilliant Time Management: What the Most Productive People Know Do and Say. 1. Pearson Education UK.

Citatione MLA (8a ed.)

Clayton, Mike. Brilliant Time Management: What the Most Productive People Know Do and Say. 1. Pearson Education UK.