APA Style
Signs, Symbols and Codes. (1979).
:
Ginn.
Chicago Style
Signs, Symbols and Codes.
Sixth impression 1982.
:
Ginn,
1979.
Series.
MLA Style
Signs, Symbols and Codes.
Sixth impression 1982.
:
Ginn,
1979.
Series.
Turabian Style
Signs, Symbols and Codes.
:
Ginn,
1979.
Series.