Gaya APA
Herdeg, Walter. (1977).
Graphis Posters 77 .
Zurich:
The Graphis Press.
Gaya Chicago
Herdeg, Walter.
Graphis Posters 77.
Zurich:
The Graphis Press,
1977.
.
Gaya MLA
Herdeg, Walter.
Graphis Posters 77.
Zurich:
The Graphis Press,
1977.
.
Gaya Turabian
Herdeg, Walter.
Graphis Posters 77.
Zurich:
The Graphis Press,
1977.
.