Porter, T. M. Reforming vision: The engineer Le Play learns to observe society sagely / Theodor M. Porter. Histories of scientific observation.(2011).
Citazione stile Chigago Style (17a edizione)Porter, Theodor M. "Reforming Vision: The Engineer Le Play Learns to Observe Society Sagely / Theodor M. Porter." Histories of Scientific Observation.(2011) .
Citatione MLA (8a ed.)Porter, Theodor M. "Reforming Vision: The Engineer Le Play Learns to Observe Society Sagely / Theodor M. Porter." Histories of Scientific Observation.(2011), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.