Tulsian, P. C. (2012). Quantitative techniques. Pearson.
Chicago Style (17th ed.) ZitazioaTulsian, P. C. Quantitative Techniques. New Delhi: Pearson, 2012.
MLA (9th ed.) ZitazioaTulsian, P. C. Quantitative Techniques. Pearson, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.