APA (7 वां संस्करण) प्रशस्ति पत्र

Bradford, R. Teaching theory: Is it good for us? / Richard Bradford. The state of theory.(1993).

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Bradford, Richard. "Teaching Theory: Is It Good for Us? / Richard Bradford." The State of Theory.(1993) .

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Bradford, Richard. "Teaching Theory: Is It Good for Us? / Richard Bradford." The State of Theory.(1993), .