Francis, J. J. (2020). Business Statistics (2nd.). Cengage Learning India Private Limited.
Lua i Stíl Chicago (17ú heag.)Francis, J Joseph. Business Statistics. 2nd. Delhi: Cengage Learning India Private Limited, 2020.
Lua MLA (9ú heag.)Francis, J Joseph. Business Statistics. 2nd. Cengage Learning India Private Limited, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.