APA

(2002). Portuguese chairmanship of the Organization for Security and Co-operation in Europe. [Lisboa]: Diplomatic Institute Ministry for Foreign Affairs.

Chicago

2002. Portuguese chairmanship of the Organization for Security and Co-operation in Europe. [Lisboa]: Diplomatic Institute Ministry for Foreign Affairs.

Harvard

(2002). Portuguese chairmanship of the Organization for Security and Co-operation in Europe. [Lisboa]: Diplomatic Institute Ministry for Foreign Affairs.

MLA

Portuguese chairmanship of the Organization for Security and Co-operation in Europe. [Lisboa]: Diplomatic Institute Ministry for Foreign Affairs. 2002.