GUPTA, J. D. (1987). Mathematics For Business And Economics Jd Gupta; Pk. Gupta And Man Mohan. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)GUPTA, J D. Mathematics For Business And Economics Jd Gupta; Pk. Gupta And Man Mohan. McGraw-Hill, 1987.
Lua MLA (8ú heag.)GUPTA, J D. Mathematics For Business And Economics Jd Gupta; Pk. Gupta And Man Mohan. McGraw-Hill, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.