Christiansen, R. (2011). The Zigzag Principle: The Goal Setting Strategy that will Revolutionize Your Business and Your Life (1st edition.). McGraw-Hill.
Chicago Style (17th ed.) CitationChristiansen, Rich. The Zigzag Principle: The Goal Setting Strategy That Will Revolutionize Your Business and Your Life. 1st edition. McGraw-Hill, 2011.
MLA (9th ed.) CitationChristiansen, Rich. The Zigzag Principle: The Goal Setting Strategy That Will Revolutionize Your Business and Your Life. 1st edition. McGraw-Hill, 2011.
Warning: These citations may not always be 100% accurate.