Graham, G. Expressivism: Croce and Collingwood / Gordon Graham. The Routledge companion to aesthetics.(2005).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGraham, Gordon. "Expressivism: Croce and Collingwood / Gordon Graham." The Routledge Companion to Aesthetics.(2005) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रGraham, Gordon. "Expressivism: Croce and Collingwood / Gordon Graham." The Routledge Companion to Aesthetics.(2005), .
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.