Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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