McKeown, P. (2016). The oxygen advantage: Simple, scientifically proven breathing techniques to help you become healthier, slimmer, faster, and fitter (First William Morrow paperback edition.). William Morrow, an imprint of HarperCollinsPublishers.
Chicago-referens (17:e uppl.)McKeown, Patrick. The Oxygen Advantage: Simple, Scientifically Proven Breathing Techniques to Help You Become Healthier, Slimmer, Faster, and Fitter. First William Morrow paperback edition. New York, NY: William Morrow, an imprint of HarperCollinsPublishers, 2016.
MLA-referens (9:e uppl.)McKeown, Patrick. The Oxygen Advantage: Simple, Scientifically Proven Breathing Techniques to Help You Become Healthier, Slimmer, Faster, and Fitter. First William Morrow paperback edition. William Morrow, an imprint of HarperCollinsPublishers, 2016.