Thomas, Z. (1998). Current topics in economics, commerce and management. Discovery Publishing House.
Lua i Stíl Chicago (17ú heag.)Thomas, Zacharias. Current Topics in Economics, Commerce and Management. New Delhi: Discovery Publishing House, 1998.
Lua MLA (8ú heag.)Thomas, Zacharias. Current Topics in Economics, Commerce and Management. Discovery Publishing House, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.