Citazione Stile APA (7a Edizione)

Contracting Parties to the General Agreement on Tariffs and Trade. (1962). Protocol for the accession of Portugal to the General agreement on tariffs and trade. s.n.

Citazione stile Chigago Style (17a edizione)

Contracting Parties to the General Agreement on Tariffs and Trade. Protocol for the Accession of Portugal to the General Agreement on Tariffs and Trade. Geneva: s.n, 1962.

Citatione MLA (9a ed.)

Contracting Parties to the General Agreement on Tariffs and Trade. Protocol for the Accession of Portugal to the General Agreement on Tariffs and Trade. s.n, 1962.