Lua APA (7ú heag.)

Lougheed, l. (2007). Longman. Preparation series for the new TOEIC test intermediate course. Pearson Education.

Lua i Stíl Chicago (17ú heag.)

Lougheed, lin. Longman. Preparation Series for the New TOEIC Test Intermediate Course. Pearson Education, 2007.

Lua MLA (9ú heag.)

Lougheed, lin. Longman. Preparation Series for the New TOEIC Test Intermediate Course. Pearson Education, 2007.

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