APA

Gray.John, . (2003). How to get what you want at work. New york: harpercollins books.

Chicago

Gray.John, . 2003. How to get what you want at work. New york: harpercollins books.

Harvard

Gray.John, . (2003). How to get what you want at work. New york: harpercollins books.

MLA

Gray.John, . How to get what you want at work. New york: harpercollins books. 2003.