Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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