Lua APA (7ú heag.)

(1983). Marketing digest. s.n.].

Lua i Stíl Chicago (17ú heag.)

Marketing Digest. [s.l: s.n.], 1983.

Lua MLA (9ú heag.)

Marketing Digest. s.n.], 1983.

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