APA (7 वां संस्करण) प्रशस्ति पत्र

Johnson, K. (1996). Physics for you (New national curriculum edition for GCSE.). Stanley Thornes (Publishers) Ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Johnson, Keith. Physics for You. New national curriculum edition for GCSE. Cheltenham, England: Stanley Thornes (Publishers) Ltd, 1996.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Johnson, Keith. Physics for You. New national curriculum edition for GCSE. Stanley Thornes (Publishers) Ltd, 1996.