Herdeg, W. (1969). Graphis annual 69/70 : =: Graphis annual 69/70 := Graphis annual 69/70 : international annual of advertising graphics =: internationales Jahrbuch der Werbegraphik =. Zurich: The Graphis Press.
Παραπομπή Chicago StyleHerdeg, Walter. Graphis Annual 69/70 : =: Graphis Annual 69/70 := Graphis Annual 69/70 : International Annual of Advertising Graphics =: Internationales Jahrbuch Der Werbegraphik =. Zurich: The Graphis Press, 1969.
Παραπομπή MLAHerdeg, Walter. Graphis Annual 69/70 : =: Graphis Annual 69/70 := Graphis Annual 69/70 : International Annual of Advertising Graphics =: Internationales Jahrbuch Der Werbegraphik =. Zurich: The Graphis Press, 1969.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.