GUPTA, S. ENGLISH OLYMPIAD INTERNATIONAL ENGLISH OLYMPIAD- 8. V & S PUBLISHER.
芝加哥风格引文GUPTA, SAHIL. ENGLISH OLYMPIAD INTERNATIONAL ENGLISH OLYMPIAD- 8. NEW DELHI: V & S PUBLISHER.
MLA引文GUPTA, SAHIL. ENGLISH OLYMPIAD INTERNATIONAL ENGLISH OLYMPIAD- 8. V & S PUBLISHER.
警告：这些引文格式不一定是100％准确.