APA

(1999). Law nº 9,433 of january 8, 1997 National water resource policy. Brasilia: MMA.

Chicago

1999. Law nº 9,433 of january 8, 1997 National water resource policy. Brasilia: MMA.

Harvard

(1999). Law nº 9,433 of january 8, 1997 National water resource policy. Brasilia: MMA.

MLA

Law nº 9,433 of january 8, 1997 National water resource policy. Brasilia: MMA. 1999.