APA

(1999). Public Administration - Vol.77 No.2. Inglaterra: Blackwell Publishers Incorporated.

Chicago

1999. Public Administration - Vol.77 No.2. Inglaterra: Blackwell Publishers Incorporated.

Harvard

(1999). Public Administration - Vol.77 No.2. Inglaterra: Blackwell Publishers Incorporated.

MLA

Public Administration - Vol.77 No.2. Inglaterra: Blackwell Publishers Incorporated. 1999.