Clark, A. M. (1947). Spoken English: An idiomatic grammar for foreign students (2a. ed.). Oliver and Boyd.
Čikaški stil citiranja (17. izdanje)Clark, Arthur Melville. Spoken English: An Idiomatic Grammar for Foreign Students. 2a. ed. Londres: Oliver and Boyd, 1947.
MLA način citiranja (9. izdanje)Clark, Arthur Melville. Spoken English: An Idiomatic Grammar for Foreign Students. 2a. ed. Oliver and Boyd, 1947.
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