APA-viite

Gupta, S. P., & Gupta, P. K. (2013). Quantitative techniques and operations research (3rd ed.). S. Chand.

Chicago-tyylinen lähdeviittaus

Gupta, S. P., ja P. K. Gupta. Quantitative Techniques and Operations Research. 3rd ed. New Delhi: S. Chand, 2013.

MLA-viite

Gupta, S. P., ja P. K. Gupta. Quantitative Techniques and Operations Research. 3rd ed. S. Chand, 2013.