APA استشهاد

Gupta, R. (1988). Statistical quality control (3rd ed.). Khanna Publishers.

استشهاد بنمط شيكاغو

Gupta, R.C. Statistical Quality Control. 3rd ed. Delhi: Khanna Publishers, 1988.

MLA استشهاد

Gupta, R.C. Statistical Quality Control. 3rd ed. Khanna Publishers, 1988.