CARRASCO, L. E. (2014). BASIC ENGLISH GRAMMAR AND COMPOSITION- 4. GOOD LUCK PUBLISHERS.
Lua i Stíl Chicago (17ú heag.)CARRASCO, LATE. EFFIE. BASIC ENGLISH GRAMMAR AND COMPOSITION- 4. GOOD LUCK PUBLISHERS, 2014.
Lua MLA (9ú heag.)CARRASCO, LATE. EFFIE. BASIC ENGLISH GRAMMAR AND COMPOSITION- 4. GOOD LUCK PUBLISHERS, 2014.
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