Borg, J. (1989). The Inner Game of Selling . . . Yourself. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Borg, James. The Inner Game of Selling . . . Yourself. ELSEVIER, 1989.
Lua MLA (8ú heag.)Borg, James. The Inner Game of Selling . . . Yourself. ELSEVIER, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.