APA-referens (7:e uppl.)

Hartman, B., & Gerigscott, E. (2015). The lean farm: How to minimize waste, increase efficiency, and maximize value and profits with less work. Chelsea Green Publishing.

Chicago-referens (17:e uppl.)

Hartman, Ben, och Emma Gerigscott. The Lean Farm: How to Minimize Waste, Increase Efficiency, and Maximize Value and Profits with Less Work. White River Junction, Vermont: Chelsea Green Publishing, 2015.

MLA-referens (9:e uppl.)

Hartman, Ben, och Emma Gerigscott. The Lean Farm: How to Minimize Waste, Increase Efficiency, and Maximize Value and Profits with Less Work. Chelsea Green Publishing, 2015.