Koch, R. (2007). The 80/20 principle : the secret of achieving more with less / Richard Koch: The secret of achieving more with less (2nd ed.). Nicholas Brealey Publishing.
Chicago Style (17th ed.) CitationKoch, Richard. The 80/20 Principle : The Secret of Achieving More with Less / Richard Koch: The Secret of Achieving More with Less. 2nd ed. London: Nicholas Brealey Publishing, 2007.
MLA (9th ed.) CitationKoch, Richard. The 80/20 Principle : The Secret of Achieving More with Less / Richard Koch: The Secret of Achieving More with Less. 2nd ed. Nicholas Brealey Publishing, 2007.
Warning: These citations may not always be 100% accurate.