APA (7 वां संस्करण) प्रशस्ति पत्र
Pethrick, R. A. (2010). Polymer science and technology for scientists and engineers. Whittles Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Pethrick, R. A. Polymer Science and Technology for Scientists and Engineers. Dunbeath, Scotland: Whittles Pub., 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Pethrick, R. A. Polymer Science and Technology for Scientists and Engineers. Whittles Pub., 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.