(2003). SIGNS and symbols = SIGNES and symboles = SIGNOS y simbolos = ZEICHEN y symbole = SEGNI simboli = SINAIS y simbolos. Pepin Press. Agile Rabbit.
Cita Chicago Style (17a ed.)SIGNS and Symbols = SIGNES and Symboles = SIGNOS Y Simbolos = ZEICHEN Y Symbole = SEGNI Simboli = SINAIS Y Simbolos. Amsterdam: Pepin Press. Agile Rabbit, 2003.
Cita MLA (8a ed.)SIGNS and Symbols = SIGNES and Symboles = SIGNOS Y Simbolos = ZEICHEN Y Symbole = SEGNI Simboli = SINAIS Y Simbolos. Pepin Press. Agile Rabbit, 2003.
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