GUPTA. R. G. (2012). MASTERING MATHEMATICS FOR PRIMARY CLASSES- 4. ARYA PUB.
芝加哥风格引文GUPTA. R. G. MASTERING MATHEMATICS FOR PRIMARY CLASSES- 4. ARYA PUB, 2012.
MLA引文GUPTA. R. G. MASTERING MATHEMATICS FOR PRIMARY CLASSES- 4. ARYA PUB, 2012.
警告：这些引文格式不一定是100％准确.