Herdeg, W. (1980). Graphis ephemera: Artists' self-promotion : Künstler-Eigenwerbung : autopromotion des artistes. Graphis Press.
Chicago Style aipamenaHerdeg, Walter. Graphis Ephemera: Artists' Self-promotion : Künstler-Eigenwerbung : Autopromotion Des Artistes. Zurich, Switzerland: Graphis Press, 1980.
MLA aipamenaHerdeg, Walter. Graphis Ephemera: Artists' Self-promotion : Künstler-Eigenwerbung : Autopromotion Des Artistes. Graphis Press, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.