Citazione Stile APA (7a Edizione)

United States. Department of State. English teaching forum. U.S. Dept. of State : Supt. of Docs., U.S. G.P.O. [distributor&#x5d.

Citazione stile Chigago Style (17a edizione)

United States. Department of State. English Teaching Forum. Washington, D.C.: U.S. Dept. of State : Supt. of Docs., U.S. G.P.O. [distributor&#x5d.

Citatione MLA (9a ed.)

United States. Department of State. English Teaching Forum. U.S. Dept. of State : Supt. of Docs., U.S. G.P.O. [distributor&#x5d.