AVICHAL PUBLISHING COMPANY. (2014). GRADED ENGLISH GRAMMAR AND COMPOSITION- 4. AVICHAL PUBLISHING COMPANY.
芝加哥风格引文AVICHAL PUBLISHING COMPANY. GRADED ENGLISH GRAMMAR AND COMPOSITION- 4. AVICHAL PUBLISHING COMPANY, 2014.
MLA引文AVICHAL PUBLISHING COMPANY. GRADED ENGLISH GRAMMAR AND COMPOSITION- 4. AVICHAL PUBLISHING COMPANY, 2014.
警告：这些引文格式不一定是100％准确.