Kirtland, J. (2001). Identification numbers and check digital schems. MAA.
Chicago Edition CitationKirtland, Jeoseph. Identification Numbers and Check Digital Schems. MAA, 2001.
MLA Edition CitationKirtland, Jeoseph. Identification Numbers and Check Digital Schems. MAA, 2001.
Warning: These citations may not always be 100% accurate.