Dyfyniad APA

GUPTA S P. (2004). STATISTICAL METHODS (32ND.). SULTAN CHAND AND SONS.

Dyfyniad Arddull Chicago

GUPTA S P. STATISTICAL METHODS. 32ND. NEW DELHI: SULTAN CHAND AND SONS, 2004.

Dyfyniad MLA

GUPTA S P. STATISTICAL METHODS. 32ND. SULTAN CHAND AND SONS, 2004.

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