APA (7 वां संस्करण) प्रशस्ति पत्र
Beresford-Evans, J. Form in engineering design: The study of appearance during design and development. Oxford University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Beresford-Evans, J. Form in Engineering Design: The Study of Appearance During Design and Development. Glasgow, Escocia: Oxford University.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Beresford-Evans, J. Form in Engineering Design: The Study of Appearance During Design and Development. Oxford University.
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