Twentieth Century Fox Home Entertainment, Inc, Copyright Collection (Library of Congress), Kamen, R. M., Miller, M., Weitzman, H., Netter, G., . . . Arau, A. (2007). A walk in the clouds. Twentieth Century Fox Home Entertainment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTwentieth Century Fox Home Entertainment, Inc, et al. A Walk in the Clouds. Beverly Hills, Calif.: Twentieth Century Fox Home Entertainment, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTwentieth Century Fox Home Entertainment, Inc, et al. A Walk in the Clouds. Twentieth Century Fox Home Entertainment, 2007.
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