Cita APA (7a ed.)

GUPTA S P. STATISTICAL METHODS (21ST.). SULTAN CHAND AND SONS.

Cita Chicago Style (17a ed.)

GUPTA S P. STATISTICAL METHODS. 21ST. NEW DELHI: SULTAN CHAND AND SONS.

Cita MLA (9a ed.)

GUPTA S P. STATISTICAL METHODS. 21ST. SULTAN CHAND AND SONS.