APA

Ballenger J. e. l., Nutt D. e. l., . (2005). Anxiety disorders. [S.l.]: Blackwell.

Chicago

Ballenger J ed lit, Nutt D ed lit, . 2005. Anxiety disorders. [S.l.]: Blackwell.

Harvard

Ballenger J. e. l., Nutt D. e. l., . (2005). Anxiety disorders. [S.l.]: Blackwell.

MLA

Ballenger J ed lit, Nutt D ed lit, . Anxiety disorders. [S.l.]: Blackwell. 2005.