GUPTA S P. (2005). STATISTICAL METHODS VOL I. SULTAN CHAND AND SONS.
芝加哥风格引文GUPTA S P. STATISTICAL METHODS VOL I. NEW DELHI: SULTAN CHAND AND SONS, 2005.
MLA引文GUPTA S P. STATISTICAL METHODS VOL I. SULTAN CHAND AND SONS, 2005.
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APA引文