Welmers, W. E. (1953). Spoken English as a Foreign Language. American Council of Learned Societies.
Chicago-stil citatWelmers, William E. Spoken English as a Foreign Language. New york: American Council of Learned Societies, 1953.
MLA-referensWelmers, William E. Spoken English as a Foreign Language. American Council of Learned Societies, 1953.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.