Gaya APA
Becker, Udo. (1994).
The Continuum encyclopedia of symbols .
Spain:
Continuum.
Gaya Chicago
Becker, Udo.
The Continuum encyclopedia of symbols.
Spain:
Continuum,
1994.
Text.
Gaya MLA
Becker, Udo.
The Continuum encyclopedia of symbols.
Spain:
Continuum,
1994.
Text.
Gaya Turabian
Becker, Udo.
The Continuum encyclopedia of symbols.
Spain:
Continuum,
1994.
Print.