Twentieth Century-Fox Film Corporation, Lachman, H., Oland, W., Luke, K., Brasno, G., Brasno, O., . . . Biggers, E. D. (2006). Charlie Chan at the circus. Twentieth Century Fox Home Entertainment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTwentieth Century-Fox Film Corporation, Harry Lachman, Warner Oland, Keye Luke, George Brasno, Olive Brasno, Francis Ford, और Earl Derr Biggers. Charlie Chan at the Circus. Beverly Hills, Calif.: Twentieth Century Fox Home Entertainment, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTwentieth Century-Fox Film Corporation, et al. Charlie Chan at the Circus. Twentieth Century Fox Home Entertainment, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.