Lua APA (7ú heag.)

Helfert, E. (1987). Techniques of financial analysis (6th.). Universal Book Stall.

Lua i Stíl Chicago (17ú heag.)

Helfert, Erich. Techniques of Financial Analysis. 6th. New Delhi: Universal Book Stall, 1987.

Lua MLA (9ú heag.)

Helfert, Erich. Techniques of Financial Analysis. 6th. Universal Book Stall, 1987.

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