Lua APA (7ú heag.)

DUNCAN TOM. (1992). MARKETING STUDY GUIDE BY CONSTANTINE G: PETRIDES & HOWARD R BUDNER. PRENTICE -HALL INTERNATIONAL; INC.

Lua i Stíl Chicago (17ú heag.)

DUNCAN TOM. MARKETING STUDY GUIDE BY CONSTANTINE G: PETRIDES & HOWARD R BUDNER. NEW JERSEY; U.S.A: PRENTICE -HALL INTERNATIONAL; INC, 1992.

Lua MLA (9ú heag.)

DUNCAN TOM. MARKETING STUDY GUIDE BY CONSTANTINE G: PETRIDES & HOWARD R BUDNER. PRENTICE -HALL INTERNATIONAL; INC, 1992.

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