United States. Department of State. English teaching forum. U.S. Dept. of State : Supt. of Docs., U.S. G.P.O. [distributor].
Chicago (17e ed.) BronvermeldingUnited States. Department of State. English Teaching Forum. Washington, D.C.: U.S. Dept. of State : Supt. of Docs., U.S. G.P.O. [distributor].
MLA (9e ed.) BronvermeldingUnited States. Department of State. English Teaching Forum. U.S. Dept. of State : Supt. of Docs., U.S. G.P.O. [distributor].
Let op: Deze citaties zijn niet altijd 100% accuraat.