APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.