Gaya APA
Sign Design : Environmental Graphics. (1992).
New York:
PBC International, INC.
Gaya Chicago
Sign Design : Environmental Graphics.
.
New York:
PBC International, INC,
1992.
Text.
Gaya MLA
Sign Design : Environmental Graphics.
.
New York:
PBC International, INC,
1992.
Text.
Gaya Turabian
Sign Design : Environmental Graphics.
New York:
PBC International, INC,
1992.
Print.