Manetti, G. Sign conceptions in natural history and natural philosophy in Ancient Greece and Rome: Giovanni Manetti. [Semiotik, 1].(1997).
Chicago-Zitierstil (17. Ausg.)Manetti, Giovanni. "Sign Conceptions in Natural History and Natural Philosophy in Ancient Greece and Rome: Giovanni Manetti." [Semiotik, 1].(1997) .
MLA-Zitierstil (8. Ausg.)Manetti, Giovanni. "Sign Conceptions in Natural History and Natural Philosophy in Ancient Greece and Rome: Giovanni Manetti." [Semiotik, 1].(1997), .
警告：這些引文格式不一定是100％准確.