Cita APA (7a ed.)
Llanas, A., & Williams, L. (2008). English Corner. Student’s Book 3.
Cita estilo Chicago (17a ed.)
Llanas, Angela, y Libby Williams. English Corner. Student’s Book 3. 2008.
Cita MLA (9a ed.)
Llanas, Angela, y Libby Williams. English Corner. Student’s Book 3. 2008.
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