APA Style
Koch, Richard. (1997).
The 80 20 Principle: The Secret of Achieving More with Less .
London:
Nicholas Brealey Publishing.
Chicago Style
Koch, Richard.
The 80 20 Principle: The Secret of Achieving More with Less.
London:
Nicholas Brealey Publishing,
1997.
Text.
MLA Style
Koch, Richard.
The 80 20 Principle: The Secret of Achieving More with Less.
London:
Nicholas Brealey Publishing,
1997.
Text.
Turabian Style
Koch, Richard.
The 80 20 Principle: The Secret of Achieving More with Less.
London:
Nicholas Brealey Publishing,
1997.
Print.