Dyfyniad APA

Warsawsky. (2011). Spectrum: A Communicative Course in English - Student's Book 2. Longman.

Dyfyniad Arddull Chicago

Warsawsky. Spectrum: A Communicative Course in English - Student's Book 2. Longman, 2011.

Dyfyniad MLA

Warsawsky. Spectrum: A Communicative Course in English - Student's Book 2. Longman, 2011.

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