APA

Ries A., Trout J., . (2001). Positioning: The Battle for Your Mind. New York: McGraw-Hill.

Chicago

Ries Al, Trout Jack, . 2001. Positioning: The Battle for Your Mind. New York: McGraw-Hill.

Harvard

Ries A., Trout J., . (2001). Positioning: The Battle for Your Mind. New York: McGraw-Hill.

MLA

Ries Al, Trout Jack, . Positioning: The Battle for Your Mind. New York: McGraw-Hill. 2001.