Crane, D., Kauffman, M., Bright, K., Stevens, T., Astrof, J., Sikowitz, M., . . . Nickus, I. C. (2010). Friends. Distributed by Warner Home Video.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrane, David, et al. Friends. [Burbank, California]: Distributed by Warner Home Video, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCrane, David, et al. Friends. Distributed by Warner Home Video, 2010.
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