Lua APA (7ú heag.)

Prem, N. (1958). Mathematical for students of Economics. Sultan Chand & Co.

Lua i Stíl Chicago (17ú heag.)

Prem, Narain. Mathematical for Students of Economics. NULL: Sultan Chand & Co, 1958.

Lua MLA (9ú heag.)

Prem, Narain. Mathematical for Students of Economics. Sultan Chand & Co, 1958.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.