APA

Gupta C. B. V. G., . (1998). Introduction to statistical methods. : Vikas Publishing House Pvt. Ltd., New Delhi.

Chicago

Gupta C B Vijay Gupta, . 1998. Introduction to statistical methods. : Vikas Publishing House Pvt. Ltd., New Delhi.

Harvard

Gupta C. B. V. G., . (1998). Introduction to statistical methods. : Vikas Publishing House Pvt. Ltd., New Delhi.

MLA

Gupta C B Vijay Gupta, . Introduction to statistical methods. : Vikas Publishing House Pvt. Ltd., New Delhi. 1998.