APA (7 वां संस्करण) प्रशस्ति पत्र

Nichols, P. (1981). Disabled: An illustrated manual of help and self-help. David and Charles.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Nichols, Philip. Disabled: An Illustrated Manual of Help and Self-help. London: David and Charles, 1981.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Nichols, Philip. Disabled: An Illustrated Manual of Help and Self-help. David and Charles, 1981.