Gaya APA

Herdeg, W. (1984). Graphis Posters 84: the international annual of poster art das internationale jahrbuch der plakatkunst le repertoire international de l (Pertama). Switzerland: Graphis Press Corp.

Gaya MLA

Herdeg, Walter. "Graphis Posters 84: the international annual of poster art das internationale jahrbuch der plakatkunst le repertoire international de l". Pertama Switzerland: Graphis Press Corp, 1984. Text.