Kral, T. (1994). Twelve famous Americans: Reading and listening skills text for students of English as a Foreign Language (Revised ed.). D.C.: U.S. Information Agency.
Παραπομπή Chicago StyleKral, Thomas. Twelve Famous Americans: Reading and Listening Skills Text for Students of English As a Foreign Language. Revised ed. D.C.: U.S. Information Agency, 1994.
Παραπομπή MLAKral, Thomas. Twelve Famous Americans: Reading and Listening Skills Text for Students of English As a Foreign Language. Revised ed. D.C.: U.S. Information Agency, 1994.
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