APA Style
Koch, Richard. (2017).
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,
2017.
Text.
MLA Style
Koch, Richard.
The 80/20 Principle: The Secret of Achieving More With Less.
London:
Nicholas Brealey Publishing,
2017.
Text.
Turabian Style
Koch, Richard.
The 80/20 Principle: The Secret of Achieving More With Less.
London:
Nicholas Brealey Publishing,
2017.
Print.