Gaya APA
ECKSTEIN, Helene W.. (1991).
Color in the 21st century A practical guide for graphic designers, photographers, printers, separator .
New York:
Watson-Guptill Publication.
Gaya Chicago
ECKSTEIN, Helene W..
Color in the 21st century A practical guide for graphic designers, photographers, printers, separator.
New York:
Watson-Guptill Publication,
1991.
.
Gaya MLA
ECKSTEIN, Helene W..
Color in the 21st century A practical guide for graphic designers, photographers, printers, separator.
New York:
Watson-Guptill Publication,
1991.
.
Gaya Turabian
ECKSTEIN, Helene W..
Color in the 21st century A practical guide for graphic designers, photographers, printers, separator.
New York:
Watson-Guptill Publication,
1991.
.