APA
Barker A., . (2006). 30 minutes ... to brainstorm great ideas. London: Kogan Page.
Chicago
Barker Alan, . 2006. 30 minutes ... to brainstorm great ideas. London: Kogan Page.
Harvard
Barker A., . (2006). 30 minutes ... to brainstorm great ideas. London: Kogan Page.
MLA
Barker Alan, . 30 minutes ... to brainstorm great ideas. London: Kogan Page. 2006.