APA Style
Eco, Umberto. (1976).
A theory of semiotics .
Amerika Serikat:
Indiana University.
Chicago Style
Eco, Umberto.
A theory of semiotics.
Amerika Serikat:
Indiana University,
1976.
Text.
MLA Style
Eco, Umberto.
A theory of semiotics.
Amerika Serikat:
Indiana University,
1976.
Text.
Turabian Style
Eco, Umberto.
A theory of semiotics.
Amerika Serikat:
Indiana University,
1976.
Print.