Lua APA (7ú heag.)

(1992). Visual communication: By Helmut Löhr and some friends (1. ed.). Löhr [Selbstverl.].

Lua i Stíl Chicago (17ú heag.)

Visual Communication: By Helmut Löhr and Some Friends. 1. ed. [Düsseldorf]: Löhr [Selbstverl.], 1992.

Lua MLA (8ú heag.)

Visual Communication: By Helmut Löhr and Some Friends. 1. ed. Löhr [Selbstverl.], 1992.

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