APA引文

Singh, R. N. Upkars new pattern tests of objective english. Upkar Prakashan.

Chicago Edition Citation

Singh, R N. Upkars New Pattern Tests of Objective English. Agra: Upkar Prakashan.

MLA引文

Singh, R N. Upkars New Pattern Tests of Objective English. Upkar Prakashan.

警告：这些引文格式不一定是100％准确.