SelecTV (Firm), WitzEnd (Firm), Acorn Media (Firm), Skinns, C., Griffiths, R., Steed, M., & Sinclair, M. (2010). Pie in the sky. Acorn Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSelecTV (Firm), WitzEnd (Firm), Acorn Media (Firm), Chrissy Skinns, Richard Griffiths, Maggie Steed, और Malcolm Sinclair. Pie in the Sky. Silver Spring, MD: Acorn Media, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSelecTV (Firm), et al. Pie in the Sky. Acorn Media, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.