Singh, N. K. Upkars mathematical formulae. Upkar Prakashan.
Chicago Edition CitationSingh, N K. Upkars Mathematical Formulae. Agra: Upkar Prakashan.
MLA Edition CitationSingh, N K. Upkars Mathematical Formulae. Upkar Prakashan.
Warning: These citations may not always be 100% accurate.