APA
Ian Wallis, Porter peter, Drucker Buffett Godin Gladwell, Kawasaki de Bono Carnegie Ferris & Handy Blanchard Semler Sun Tzu. (2012). Business Gurus. Surrey: Crimson.
Chicago
Ian Wallis, Porter peter, Drucker Buffett Godin Gladwell, Kawasaki de Bono Carnegie Ferris and Handy Blanchard Semler Sun Tzu. 2012. Business Gurus. Surrey: Crimson.
Harvard
Ian Wallis, Porter peter, Drucker Buffett Godin Gladwell, Kawasaki de Bono Carnegie Ferris and Handy Blanchard Semler Sun Tzu. (2012). Business Gurus. Surrey: Crimson.
MLA
Ian Wallis, Porter peter, Drucker Buffett Godin Gladwell, Kawasaki de Bono Carnegie Ferris and Handy Blanchard Semler Sun Tzu. Business Gurus. Surrey: Crimson. 2012.
