Lua APA (7ú heag.)

COOPER SIMON. (1997). SELLING: PRINCIPLES, PRACTICE AND MANAGEMENT. PITMAN PUBLICATIONS.

Lua i Stíl Chicago (17ú heag.)

COOPER SIMON. SELLING: PRINCIPLES, PRACTICE AND MANAGEMENT. LONDON: PITMAN PUBLICATIONS, 1997.

Lua MLA (9ú heag.)

COOPER SIMON. SELLING: PRINCIPLES, PRACTICE AND MANAGEMENT. PITMAN PUBLICATIONS, 1997.

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