Sugarland (Musical group), Lady Antebellum (Musical group), Montgomery Gentry (Musical group), Urban, K., Adkins, T., McKenna, L., . . . Judd, W. (2012). Valor: The album : the only easy day was yesterday. Relativity Music Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSugarland (Musical group), et al. Valor: The Album : The Only Easy Day Was Yesterday. Los Angeles, Calif.: Relativity Music Group, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSugarland (Musical group), et al. Valor: The Album : The Only Easy Day Was Yesterday. Relativity Music Group, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.