De Maesschalck, R.; Jouan-Rimbaud, D.; Massart, D.L. "The Mahalanobis distance". Chemometrics and Intelligent Laboratory Systems. 50 (1): 1–18. doi:10.1016/s0169-7439(99)00047-7.
insa.nic.in
Mahalanobis, Prasanta Chandra (1936). "On the generalised distance in statistics"(PDF). Proceedings of the National Institute of Sciences of India. 2 (1): 49–55. Diakses tanggal 27 September 2016.