The 80 20 Principle

Currency

The 80/20 Principle, Expanded and Updated: The Secret to Achieving More with Less [Lingua inglese]

Hodder & Stoughton

The 80/20 Principle: The Secret of Achieving More with Less

FrancoAngeli

Il principio 80/20. Il segreto per ottenere di più con meno

The 80/20 Principle                              

John Murray Business

80/20 Daily: Your Day-by-Day Guide to Happier, Healthier, Wealthier, and More Successful Living Using the 8020 Principle (English Edition)

Nicholas Brealey Publishing

The 80/20 Principle: The Secret of Achieving More with Less: Updated 20th anniversary edition of the productivity and business classic

HarperBusiness

The 80-20 Money Makeover: A Simple Yet Powerful System to Transform Your Financial Future (English Edition)

Ernie Svenson

The 80/20 Principle                              

Independently published

Unlocking the 80-20 Power: Effortless Manifestation for Creating Your Dream Life

Piatkus

The Star Principle: How it can make you rich (English Edition)